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25979052 = 223112343199
BaseRepresentation
bin110001100011…
…0100010101100
31210212212120010
41203012202230
523122312202
62324453220
7433550451
oct143064254
953785503
1025979052
11137344a0
12884a210
1354c7a28
143643828
15243276c
hex18c68ac

25979052 has 96 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 7318080.

The previous prime is 25979033. The next prime is 25979053. The reversal of 25979052 is 25097952.

It is a super-2 number, since 2×259790522 = 1349822285637408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25979052.

It is not an unprimeable number, because it can be changed into a prime (25979053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130449 + ... + 130647.

It is an arithmetic number, because the mean of its divisors is an integer number (739200).

Almost surely, 225979052 is an apocalyptic number.

25979052 is a gapful number since it is divisible by the number (22) 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 25979052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35481600).

25979052 is an abundant number, since it is smaller than the sum of its proper divisors (44984148).

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

25979052 is a wasteful number, since it uses less digits than its factorization.

25979052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25979052 is about 5096.9649792793. The cubic root of 25979052 is about 296.1700234539.

The spelling of 25979052 in words is "twenty-five million, nine hundred seventy-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 23 33 43 44 46 66 69 86 92 129 132 138 172 199 253 258 276 398 473 506 516 597 759 796 946 989 1012 1194 1419 1518 1892 1978 2189 2388 2838 2967 3036 3956 4378 4577 5676 5934 6567 8557 8756 9154 10879 11868 13134 13731 17114 18308 21758 25671 26268 27462 32637 34228 43516 50347 51342 54924 65274 94127 100694 102684 130548 151041 188254 196811 201388 282381 302082 376508 393622 564762 590433 604164 787244 1129524 1180866 2164921 2361732 4329842 6494763 8659684 12989526 25979052