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47942764 = 22234312119
BaseRepresentation
bin1011011011100…
…0110001101100
310100012202002221
42312320301230
544233132024
64431325124
71121335552
oct266706154
9110182087
1047942764
1125076121
12140807a4
139c17bcc
14651dbd2
1543203e4
hex2db8c6c

47942764 has 24 divisors (see below), whose sum is σ = 89591040. Its totient is φ = 22394064.

The previous prime is 47942761. The next prime is 47942777. The reversal of 47942764 is 46724974.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 47942764.

It is not an unprimeable number, because it can be changed into a prime (47942761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (3732960).

Almost surely, 247942764 is an apocalyptic number.

It is an amenable number.

47942764 is a deficient number, since it is larger than the sum of its proper divisors (41648276).

47942764 is a wasteful number, since it uses less digits than its factorization.

47942764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189 (or 12187 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 47942764 is about 6924.0713456752. The cubic root of 47942764 is about 363.2796101211.

The spelling of 47942764 in words is "forty-seven million, nine hundred forty-two thousand, seven hundred sixty-four".

Divisors: 1 2 4 23 43 46 86 92 172 989 1978 3956 12119 24238 48476 278737 521117 557474 1042234 1114948 2084468 11985691 23971382 47942764