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47930934 = 2336721767
BaseRepresentation
bin1011011011010…
…1111000110110
310100012010212210
42312311320312
544232242214
64431154250
71121256222
oct266657066
9110163783
1047930934
1125068247
1214075986
139c126cc
146519782
15431bb59
hex2db5e36

47930934 has 16 divisors (see below), whose sum is σ = 96127488. Its totient is φ = 15932712.

The previous prime is 47930917. The next prime is 47930963. The reversal of 47930934 is 43903974.

It is a super-2 number, since 2×479309342 = 4594748868224712, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47930892 and 47930901.

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, 8682 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (6007968).

Almost surely, 247930934 is an apocalyptic number.

47930934 is an abundant number, since it is smaller than the sum of its proper divisors (48196554).

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

47930934 is a wasteful number, since it uses less digits than its factorization.

47930934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 47930934 is about 6923.2170267875. The cubic root of 47930934 is about 363.2497276045.

It can be divided in two parts, 479 and 30934, that added together give a palindrome (31413).

The spelling of 47930934 in words is "forty-seven million, nine hundred thirty thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 367 734 1101 2202 21767 43534 65301 130602 7988489 15976978 23965467 47930934