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47407072 = 2510211451
BaseRepresentation
bin1011010011010…
…1111111100000
310022012112021111
42310311333200
544114011242
64412033104
71113645016
oct264657740
9108175244
1047407072
112483a6a9
1213a62794
139a8b12b
1464208b6
154266817
hex2d35fe0

47407072 has 24 divisors (see below), whose sum is σ = 93488472. Its totient is φ = 23664000.

The previous prime is 47407057. The next prime is 47407079. The reversal of 47407072 is 27070474.

It is a super-2 number, since 2×474070722 = 4494860951226368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47407079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31947 + ... + 33397.

It is an arithmetic number, because the mean of its divisors is an integer number (3895353).

Almost surely, 247407072 is an apocalyptic number.

It is an amenable number.

47407072 is a deficient number, since it is larger than the sum of its proper divisors (46081400).

47407072 is a wasteful number, since it uses less digits than its factorization.

47407072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 47407072 is about 6885.2793697859. The cubic root of 47407072 is about 361.9214953438.

The spelling of 47407072 in words is "forty-seven million, four hundred seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 1021 1451 2042 2902 4084 5804 8168 11608 16336 23216 32672 46432 1481471 2962942 5925884 11851768 23703536 47407072