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30664432 = 249292063
BaseRepresentation
bin111010011111…
…0011011110000
32010200220200201
41310332123300
530322230212
63013124544
7521433451
oct164763360
963626621
1030664432
1116344707
12a329754
136478546
144103128
152a5ab57
hex1d3e6f0

30664432 has 20 divisors (see below), whose sum is σ = 59505120. Its totient is φ = 15308288.

The previous prime is 30664427. The next prime is 30664489. The reversal of 30664432 is 23446603.

It is a self number, because there is not a number n which added to its sum of digits gives 30664432.

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, 13833 + ... + 15895.

It is an arithmetic number, because the mean of its divisors is an integer number (2975256).

Almost surely, 230664432 is an apocalyptic number.

It is an amenable number.

30664432 is a deficient number, since it is larger than the sum of its proper divisors (28840688).

30664432 is a wasteful number, since it uses less digits than its factorization.

30664432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 30664432 is about 5537.5474715798. The cubic root of 30664432 is about 313.0004593283. Note that the first 3 decimals are identical.

The spelling of 30664432 in words is "thirty million, six hundred sixty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 929 1858 2063 3716 4126 7432 8252 14864 16504 33008 1916527 3833054 7666108 15332216 30664432