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47164494 = 23131735569
BaseRepresentation
bin1011001111101…
…0110001001110
310021202012112010
42303322301032
544033230434
64402522050
71111614546
oct263726116
9107665463
1047164494
1124694423
1213966326
139a048b0
14639a326
1542199e9
hex2cfac4e

47164494 has 32 divisors (see below), whose sum is σ = 107563680. Its totient is φ = 13658112.

The previous prime is 47164493. The next prime is 47164543. The reversal of 47164494 is 49446174.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47164493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16459 + ... + 19110.

It is an arithmetic number, because the mean of its divisors is an integer number (3361365).

Almost surely, 247164494 is an apocalyptic number.

47164494 is an abundant number, since it is smaller than the sum of its proper divisors (60399186).

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

47164494 is a wasteful number, since it uses less digits than its factorization.

47164494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35604.

The product of its digits is 96768, while the sum is 39.

The square root of 47164494 is about 6867.6410797304. The cubic root of 47164494 is about 361.3031321538.

The spelling of 47164494 in words is "forty-seven million, one hundred sixty-four thousand, four hundred ninety-four".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 35569 71138 106707 213414 462397 604673 924794 1209346 1387191 1814019 2774382 3628038 7860749 15721498 23582247 47164494