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28662966 = 2321592387
BaseRepresentation
bin110110101010…
…1110010110110
31222221020012100
41231111302312
524314203331
62502202530
7465426333
oct155256266
958836170
1028662966
11151a7a02
129723446
135c27547
143b4198a
1527b2ae6
hex1b55cb6

28662966 has 12 divisors (see below), whose sum is σ = 62103132. Its totient is φ = 9554316.

The previous prime is 28662947. The next prime is 28662973. The reversal of 28662966 is 66926682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 796176 + ... + 796211.

It is an arithmetic number, because the mean of its divisors is an integer number (5175261).

Almost surely, 228662966 is an apocalyptic number.

28662966 is an abundant number, since it is smaller than the sum of its proper divisors (33440166).

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

28662966 is a wasteful number, since it uses less digits than its factorization.

28662966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592395 (or 1592392 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 28662966 is about 5353.7805334175. The cubic root of 28662966 is about 306.0368403678.

It can be divided in two parts, 2866 and 2966, that added together give a cube (5832 = 183).

The spelling of 28662966 in words is "twenty-eight million, six hundred sixty-two thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 18 1592387 3184774 4777161 9554322 14331483 28662966