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25043628 = 2232086969
BaseRepresentation
bin101111110001…
…0001010101100
31202010100101210
41133202022230
522402344003
62252434420
7422603331
oct137421254
952110353
1025043628
1113155715
128478a10
13525b01c
14347c988
1522ea503
hex17e22ac

25043628 has 12 divisors (see below), whose sum is σ = 58435160. Its totient is φ = 8347872.

The previous prime is 25043609. The next prime is 25043639. The reversal of 25043628 is 82634052.

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 = 25043595 and 25043604.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1043473 + ... + 1043496.

Almost surely, 225043628 is an apocalyptic number.

It is an amenable number.

25043628 is an abundant number, since it is smaller than the sum of its proper divisors (33391532).

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

25043628 is a wasteful number, since it uses less digits than its factorization.

25043628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086976 (or 2086974 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 25043628 is about 5004.3608982566. The cubic root of 25043628 is about 292.5717670346.

The spelling of 25043628 in words is "twenty-five million, forty-three thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2086969 4173938 6260907 8347876 12521814 25043628