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25065472 = 21112239
BaseRepresentation
bin101111110011…
…1100000000000
31202011110100211
41133213200000
522404043342
62253123504
7423024115
oct137474000
952143324
1025065472
1113170073
128489594
135267c53
14348690c
152301c17
hex17e7800

25065472 has 24 divisors (see below), whose sum is σ = 50122800. Its totient is φ = 12531712.

The previous prime is 25065433. The next prime is 25065493. The reversal of 25065472 is 27456052.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4072 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450).

Almost surely, 225065472 is an apocalyptic number.

It is an amenable number.

25065472 is a deficient number, since it is larger than the sum of its proper divisors (25057328).

25065472 is an equidigital number, since it uses as much as digits as its factorization.

25065472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 25065472 is about 5006.5429190211. The cubic root of 25065472 is about 292.6568063699.

The spelling of 25065472 in words is "twenty-five million, sixty-five thousand, four hundred seventy-two".