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47712164 = 2221156531
BaseRepresentation
bin1011011000000…
…0011110100100
310022210000210012
42312000132210
544203242124
64422345352
71116355343
oct266003644
9108700705
1047712164
1124a28945
1213b8b258
139b66c66
14649db5a
1542c6e0e
hex2d807a4

47712164 has 12 divisors (see below), whose sum is σ = 83893488. Its totient is φ = 23742600.

The previous prime is 47712157. The next prime is 47712199. The reversal of 47712164 is 46121774.

It is a self number, because there is not a number n which added to its sum of digits gives 47712164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27422 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (6991124).

Almost surely, 247712164 is an apocalyptic number.

It is an amenable number.

47712164 is a deficient number, since it is larger than the sum of its proper divisors (36181324).

47712164 is a wasteful number, since it uses less digits than its factorization.

47712164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56746 (or 56744 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 47712164 is about 6907.3992211251. The cubic root of 47712164 is about 362.6962273308.

The spelling of 47712164 in words is "forty-seven million, seven hundred twelve thousand, one hundred sixty-four".

Divisors: 1 2 4 211 422 844 56531 113062 226124 11928041 23856082 47712164