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47996538 = 2323347801
BaseRepresentation
bin1011011100010…
…1111001111010
310100022110212120
42313011321322
544241342123
64432422110
71121651412
oct267057172
9110273776
1047996538
1125102567
12140a7936
139c36525
146535642
1543312e3
hex2dc5e7a

47996538 has 16 divisors (see below), whose sum is σ = 100166976. Its totient is φ = 15303200.

The previous prime is 47996519. The next prime is 47996563. The reversal of 47996538 is 83569974.

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, 173763 + ... + 174038.

It is an arithmetic number, because the mean of its divisors is an integer number (6260436).

Almost surely, 247996538 is an apocalyptic number.

47996538 is an abundant number, since it is smaller than the sum of its proper divisors (52170438).

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

47996538 is a wasteful number, since it uses less digits than its factorization.

47996538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347829.

The product of its digits is 1632960, while the sum is 51.

The square root of 47996538 is about 6927.9533774413. The cubic root of 47996538 is about 363.4153810348.

The spelling of 47996538 in words is "forty-seven million, nine hundred ninety-six thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 347801 695602 1043403 2086806 7999423 15998846 23998269 47996538