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25097272 = 233137159
BaseRepresentation
bin101111110111…
…1010000111000
31202020001222121
41133233100320
522411103042
62253531024
7423215614
oct137572070
952201877
1025097272
1113191a52
1284a3a74
135279575
143494344
15230b367
hex17ef438

25097272 has 8 divisors (see below), whose sum is σ = 47057400. Its totient is φ = 12548632.

The previous prime is 25097269. The next prime is 25097299. The reversal of 25097272 is 27279052.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568572 + ... + 1568587.

It is an arithmetic number, because the mean of its divisors is an integer number (5882175).

Almost surely, 225097272 is an apocalyptic number.

It is an amenable number.

25097272 is a deficient number, since it is larger than the sum of its proper divisors (21960128).

25097272 is a wasteful number, since it uses less digits than its factorization.

25097272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137165 (or 3137161 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 25097272 is about 5009.7177565208. The cubic root of 25097272 is about 292.7805164357.

The spelling of 25097272 in words is "twenty-five million, ninety-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 3137159 6274318 12548636 25097272