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47013924 = 2233917827
BaseRepresentation
bin1011001101011…
…0000000100100
310021110112222110
42303112000210
544013421144
64355401020
71110416556
oct263260044
9107415873
1047013924
11245a1291
12138b3170
1399811b9
14635b4d6
1541da0b9
hex2cd6024

47013924 has 12 divisors (see below), whose sum is σ = 109699184. Its totient is φ = 15671304.

The previous prime is 47013919. The next prime is 47013943. The reversal of 47013924 is 42931074.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 47013891 and 47013900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958902 + ... + 1958925.

Almost surely, 247013924 is an apocalyptic number.

It is an amenable number.

47013924 is an abundant number, since it is smaller than the sum of its proper divisors (62685260).

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

47013924 is a wasteful number, since it uses less digits than its factorization.

47013924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917834 (or 3917832 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 47013924 is about 6856.6700372703. The cubic root of 47013924 is about 360.9182422926.

Adding to 47013924 its reverse (42931074), we get a palindrome (89944998).

The spelling of 47013924 in words is "forty-seven million, thirteen thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 3917827 7835654 11753481 15671308 23506962 47013924