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25988952 = 2331198443
BaseRepresentation
bin110001100100…
…0111101011000
31210220101010210
41203020331120
523123121302
62325011120
7433621353
oct143107530
953811123
1025988952
1113740980
128853aa0
1354cc3a2
14364729a
15243566c
hex18c8f58

25988952 has 32 divisors (see below), whose sum is σ = 70879680. Its totient is φ = 7875360.

The previous prime is 25988951. The next prime is 25988953.

25988952 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (25988951) and next prime (25988953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25988951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48958 + ... + 49485.

It is an arithmetic number, because the mean of its divisors is an integer number (2214990).

Almost surely, 225988952 is an apocalyptic number.

25988952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25988952 is an abundant number, since it is smaller than the sum of its proper divisors (44890728).

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

25988952 is a wasteful number, since it uses less digits than its factorization.

25988952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98463 (or 98459 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 25988952 is about 5097.9360529532. The cubic root of 25988952 is about 296.2076397978.

The spelling of 25988952 in words is "twenty-five million, nine hundred eighty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 98443 196886 295329 393772 590658 787544 1082873 1181316 2165746 2362632 3248619 4331492 6497238 8662984 12994476 25988952