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47712864 = 253701709
BaseRepresentation
bin1011011000000…
…0101001100000
310022210001202010
42312000221200
544203302424
64422352520
71116360363
oct266005140
9108701663
1047712864
1124a29421
1213b8b740
139b67384
1464a00da
1542c7229
hex2d80a60

47712864 has 48 divisors (see below), whose sum is σ = 125601840. Its totient is φ = 15859200.

The previous prime is 47712839. The next prime is 47712877. The reversal of 47712864 is 46821774.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66942 + ... + 67650.

It is an arithmetic number, because the mean of its divisors is an integer number (2616705).

Almost surely, 247712864 is an apocalyptic number.

It is an amenable number.

47712864 is an abundant number, since it is smaller than the sum of its proper divisors (77888976).

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

47712864 is a wasteful number, since it uses less digits than its factorization.

47712864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1415 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 47712864 is about 6907.4498912406. The cubic root of 47712864 is about 362.6980010652.

The spelling of 47712864 in words is "forty-seven million, seven hundred twelve thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 701 709 1402 1418 2103 2127 2804 2836 4206 4254 5608 5672 8412 8508 11216 11344 16824 17016 22432 22688 33648 34032 67296 68064 497009 994018 1491027 1988036 2982054 3976072 5964108 7952144 11928216 15904288 23856432 47712864