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28625067 = 323180563
BaseRepresentation
bin110110100110…
…0100010101011
31222212022012200
41231030202223
524312000232
62501311243
7465211002
oct155144253
958768180
1028625067
1115181489
129705523
135c13213
143b31c39
1527a677c
hex1b4c8ab

28625067 has 6 divisors (see below), whose sum is σ = 41347332. Its totient is φ = 19083372.

The previous prime is 28625063. The next prime is 28625081. The reversal of 28625067 is 76052682.

28625067 is a `hidden beast` number, since 28 + 625 + 0 + 6 + 7 = 666.

It is not a de Polignac number, because 28625067 - 22 = 28625063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28625063) 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 in 5 ways as a sum of consecutive naturals, for example, 1590273 + ... + 1590290.

It is an arithmetic number, because the mean of its divisors is an integer number (6891222).

Almost surely, 228625067 is an apocalyptic number.

28625067 is a deficient number, since it is larger than the sum of its proper divisors (12722265).

28625067 is a wasteful number, since it uses less digits than its factorization.

28625067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180569 (or 3180566 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 28625067 is about 5350.2399011633. The cubic root of 28625067 is about 305.9018972973.

The spelling of 28625067 in words is "twenty-eight million, six hundred twenty-five thousand, sixty-seven".

Divisors: 1 3 9 3180563 9541689 28625067