Search a number
-
+
20085024 = 2531731397
BaseRepresentation
bin100110010011…
…1100100100000
31101210102110210
41030213210200
520120210044
61554254120
7332501631
oct114474440
941712423
1020085024
11103791a3
126887340
13421303b
14294b888
151b6b1b9
hex1327920

20085024 has 96 divisors (see below), whose sum is σ = 57770496. Its totient is φ = 6082560.

The previous prime is 20085019. The next prime is 20085029. The reversal of 20085024 is 42058002.

It is an interprime number because it is at equal distance from previous prime (20085019) and next prime (20085029).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (20085029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50394 + ... + 50790.

It is an arithmetic number, because the mean of its divisors is an integer number (601776).

Almost surely, 220085024 is an apocalyptic number.

20085024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20085024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28885248).

20085024 is an abundant number, since it is smaller than the sum of its proper divisors (37685472).

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

20085024 is a wasteful number, since it uses less digits than its factorization.

20085024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20085024 is about 4481.6318456562. The cubic root of 20085024 is about 271.8258689394.

The spelling of 20085024 in words is "twenty million, eighty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 31 32 34 48 51 62 68 93 96 102 124 136 186 204 248 272 372 397 408 496 527 544 744 794 816 992 1054 1191 1488 1581 1588 1632 2108 2382 2976 3162 3176 4216 4764 6324 6352 6749 8432 9528 12307 12648 12704 13498 16864 19056 20247 24614 25296 26996 36921 38112 40494 49228 50592 53992 73842 80988 98456 107984 147684 161976 196912 209219 215968 295368 323952 393824 418438 590736 627657 647904 836876 1181472 1255314 1673752 2510628 3347504 5021256 6695008 10042512 20085024