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25140916 = 228637283
BaseRepresentation
bin101111111100…
…1111010110100
31202022021212001
41133321322310
522414002131
62254505044
7423460063
oct137717264
952267761
1025140916
1113211819
128505184
1352933a8
1434a61da
152319261
hex17f9eb4

25140916 has 12 divisors (see below), whose sum is σ = 44053632. Its totient is φ = 12554168.

The previous prime is 25140901. The next prime is 25140923. The reversal of 25140916 is 61904152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (3671136).

Almost surely, 225140916 is an apocalyptic number.

It is an amenable number.

25140916 is a deficient number, since it is larger than the sum of its proper divisors (18912716).

25140916 is a wasteful number, since it uses less digits than its factorization.

25140916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8148 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 25140916 is about 5014.0717984488. The cubic root of 25140916 is about 292.9501326526.

The spelling of 25140916 in words is "twenty-five million, one hundred forty thousand, nine hundred sixteen".

Divisors: 1 2 4 863 1726 3452 7283 14566 29132 6285229 12570458 25140916