Search a number
-
+
510013240 = 2351131139269
BaseRepresentation
bin11110011001100…
…010111100111000
31022112200100122021
4132121202330320
52021030410430
6122335204224
715432020032
oct3631427470
91275610567
10510013240
11241986550
12122976674
138187c9a9
144ba40c52
152eb9507a
hex1e662f38

510013240 has 128 divisors (see below), whose sum is σ = 1306368000. Its totient is φ = 177523200.

The previous prime is 510013237. The next prime is 510013241. The reversal of 510013240 is 42310015.

It is a super-2 number, since 2×5100132402 = 520227009950595200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510013241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1895826 + ... + 1896094.

It is an arithmetic number, because the mean of its divisors is an integer number (10206000).

Almost surely, 2510013240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 510013240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653184000).

510013240 is an abundant number, since it is smaller than the sum of its proper divisors (796354760).

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

510013240 is a wasteful number, since it uses less digits than its factorization.

510013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 510013240 is about 22583.4727178970. The cubic root of 510013240 is about 798.9638878355.

Adding to 510013240 its reverse (42310015), we get a palindrome (552323255).

The spelling of 510013240 in words is "five hundred ten million, thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 124 139 155 220 248 269 278 310 341 440 538 556 620 682 695 1076 1112 1240 1345 1364 1390 1529 1705 2152 2690 2728 2780 2959 3058 3410 4309 5380 5560 5918 6116 6820 7645 8339 8618 10760 11836 12232 13640 14795 15290 16678 17236 21545 23672 29590 30580 33356 34472 37391 41695 43090 47399 59180 61160 66712 74782 83390 86180 91729 94798 118360 149564 166780 172360 183458 186955 189596 236995 299128 333560 366916 373910 379192 411301 458645 473990 733832 747820 822602 917290 947980 1159121 1495640 1645204 1834580 1895960 2056505 2318242 3290408 3669160 4113010 4636484 5795605 8226020 9272968 11591210 12750331 16452040 23182420 25500662 46364840 51001324 63751655 102002648 127503310 255006620 510013240