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25572064 = 257114161
BaseRepresentation
bin110000110001…
…1001011100000
31210010012021111
41201203023200
523021301224
62312033104
7430234060
oct141431340
953105244
1025572064
1113486741
128692794
1353b46cb
1435793a0
1523a1d94
hex18632e0

25572064 has 24 divisors (see below), whose sum is σ = 57537648. Its totient is φ = 10959360.

The previous prime is 25572061. The next prime is 25572077. The reversal of 25572064 is 46027552.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56857 + ... + 57304.

It is an arithmetic number, because the mean of its divisors is an integer number (2397402).

Almost surely, 225572064 is an apocalyptic number.

It is an amenable number.

25572064 is an abundant number, since it is smaller than the sum of its proper divisors (31965584).

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

25572064 is a wasteful number, since it uses less digits than its factorization.

25572064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114178 (or 114170 counting only the distinct ones).

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

The square root of 25572064 is about 5056.8828343160. The cubic root of 25572064 is about 294.6152755550.

The spelling of 25572064 in words is "twenty-five million, five hundred seventy-two thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 114161 228322 456644 799127 913288 1598254 1826576 3196508 3653152 6393016 12786032 25572064