Search a number
-
+
90892602256 = 242322921132
BaseRepresentation
bin101010010100110011…
…1110000101110010000
322200121110110121020011
41110221213300232100
52442122001233011
6105431103524304
76365255241331
oct1245147605620
9280543417204
1090892602256
1135602560405
12157478b9694
138756a286b1
144583690288
15256e8e6621
hex15299f0b90

90892602256 has 135 divisors (see below), whose sum is σ = 192363197299. Its totient is φ = 41599968256.

The previous prime is 90892602253. The next prime is 90892602323. The reversal of 90892602256 is 65220629809.

The square root of 90892602256 is 301484.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 31364410000 + 59528192256 = 177100^2 + 243984^2 .

It is a super-2 number, since 2×908926022562 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90892602253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 804359256 + ... + 804359368.

Almost surely, 290892602256 is an apocalyptic number.

90892602256 is the 301484-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90892602256

90892602256 is an abundant number, since it is smaller than the sum of its proper divisors (101470595043).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90892602256 is a wasteful number, since it uses less digits than its factorization.

90892602256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

Multiplying 90892602256 by its sum of digits (49), we get a square (4453737510544 = 21103882).

The spelling of 90892602256 in words is "ninety billion, eight hundred ninety-two million, six hundred two thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 23 29 46 58 92 113 116 184 226 232 368 452 464 529 667 841 904 1058 1334 1682 1808 2116 2599 2668 3277 3364 4232 5198 5336 6554 6728 8464 10396 10672 12769 13108 13456 15341 19343 20792 25538 26216 30682 38686 41584 51076 52432 59777 61364 75371 77372 95033 102152 119554 122728 150742 154744 190066 204304 239108 245456 293687 301484 309488 370301 380132 444889 478216 587374 602968 740602 760264 889778 956432 1174748 1205936 1481204 1520528 1733533 1779556 2185759 2349496 2962408 3467066 3559112 4371518 4698992 5924816 6754801 6934132 7118224 8516923 8743036 10738729 13509602 13868264 17033846 17486072 21477458 27019204 27736528 34067692 34972144 42954916 50272457 54038408 68135384 85909832 100544914 108076816 136270768 171819664 195889229 201089828 246990767 391778458 402179656 493981534 783556916 804359312 987963068 1567113832 1975926136 3134227664 3951852272 5680787641 11361575282 22723150564 45446301128 90892602256