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47439932 = 2222395297
BaseRepresentation
bin1011010011111…
…0000000111100
310022021012100112
42310332000330
544121034212
64412445152
71114142561
oct264760074
9108235315
1047439932
1124862361
1213a797b8
139aa0087
14642c868
154271422
hex2d3e03c

47439932 has 12 divisors (see below), whose sum is σ = 83072640. Its totient is φ = 23704896.

The previous prime is 47439907. The next prime is 47439971. The reversal of 47439932 is 23993474.

47439932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47439932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308 + ... + 11604.

It is an arithmetic number, because the mean of its divisors is an integer number (6922720).

Almost surely, 247439932 is an apocalyptic number.

It is an amenable number.

47439932 is a deficient number, since it is larger than the sum of its proper divisors (35632708).

47439932 is a wasteful number, since it uses less digits than its factorization.

47439932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540 (or 7538 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 47439932 is about 6887.6652067301. The cubic root of 47439932 is about 362.0050974527.

The spelling of 47439932 in words is "forty-seven million, four hundred thirty-nine thousand, nine hundred thirty-two".

Divisors: 1 2 4 2239 4478 5297 8956 10594 21188 11859983 23719966 47439932