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25052028 = 2232087669
BaseRepresentation
bin101111110010…
…0001101111100
31202010202220220
41133210031330
522403131103
62252541340
7422636661
oct137441574
952122826
1025052028
1113160a61
128481850
135261ab1
143481a68
1522ecc53
hex17e437c

25052028 has 12 divisors (see below), whose sum is σ = 58454760. Its totient is φ = 8350672.

The previous prime is 25052011. The next prime is 25052039. The reversal of 25052028 is 82025052.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 25051989 and 25052007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043823 + ... + 1043846.

It is an arithmetic number, because the mean of its divisors is an integer number (4871230).

Almost surely, 225052028 is an apocalyptic number.

It is an amenable number.

25052028 is an abundant number, since it is smaller than the sum of its proper divisors (33402732).

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

25052028 is a wasteful number, since it uses less digits than its factorization.

25052028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087676 (or 2087674 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 25052028 is about 5005.2000959003. The cubic root of 25052028 is about 292.6044743314.

The spelling of 25052028 in words is "twenty-five million, fifty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 2087669 4175338 6263007 8350676 12526014 25052028