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25620052 = 226405013
BaseRepresentation
bin110000110111…
…0111001010100
31210012122002211
41201232321110
523024320202
62313043204
7430524013
oct141567124
953178084
1025620052
11135097a7
1286b6504
1354004c3
14358ca7a
1523b11d7
hex186ee54

25620052 has 6 divisors (see below), whose sum is σ = 44835098. Its totient is φ = 12810024.

The previous prime is 25620017. The next prime is 25620059. The reversal of 25620052 is 25002652.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 5225796 = 4516^2 + 2286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25620059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202503 + ... + 3202510.

Almost surely, 225620052 is an apocalyptic number.

It is an amenable number.

25620052 is a deficient number, since it is larger than the sum of its proper divisors (19215046).

25620052 is a wasteful number, since it uses less digits than its factorization.

25620052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405017 (or 6405015 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25620052 is about 5061.6254306300. The cubic root of 25620052 is about 294.7994500167.

The spelling of 25620052 in words is "twenty-five million, six hundred twenty thousand, fifty-two".

Divisors: 1 2 4 6405013 12810026 25620052