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47214864 = 2432327881
BaseRepresentation
bin1011010000011…
…1000100010000
310021211202121200
42310013010100
544041333424
64403551200
71112214444
oct264070420
9107752550
1047214864
1124719254
121398b500
139a217b8
1463b0824
1542298c9
hex2d07110

47214864 has 30 divisors (see below), whose sum is σ = 132136446. Its totient is φ = 15738240.

The previous prime is 47214863. The next prime is 47214877. The reversal of 47214864 is 46841274.

It can be written as a sum of positive squares in only one way, i.e., 30470400 + 16744464 = 5520^2 + 4092^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47214863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163797 + ... + 164084.

Almost surely, 247214864 is an apocalyptic number.

It is an amenable number.

47214864 is an abundant number, since it is smaller than the sum of its proper divisors (84921582).

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

47214864 is a wasteful number, since it uses less digits than its factorization.

47214864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327895 (or 327886 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 47214864 is about 6871.3072991971. The cubic root of 47214864 is about 361.4317060201.

The spelling of 47214864 in words is "forty-seven million, two hundred fourteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 327881 655762 983643 1311524 1967286 2623048 2950929 3934572 5246096 5901858 7869144 11803716 15738288 23607432 47214864