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47975992 = 238372253
BaseRepresentation
bin1011011100000…
…0111000111000
310100021102200121
42313000320320
544240212432
64432143024
71121534461
oct267007070
9110242617
1047975992
1125099089
1214097a74
139c2a07c
14652bd68
15432a197
hex2dc0e38

47975992 has 16 divisors (see below), whose sum is σ = 91040040. Its totient is φ = 23698656.

The previous prime is 47975959. The next prime is 47976011. The reversal of 47975992 is 29957974.

It is a happy number.

It is a congruent number.

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, 35463 + ... + 36790.

Almost surely, 247975992 is an apocalyptic number.

It is an amenable number.

47975992 is a deficient number, since it is larger than the sum of its proper divisors (43064048).

47975992 is a wasteful number, since it uses less digits than its factorization.

47975992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72342 (or 72338 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 52.

The square root of 47975992 is about 6926.4703854128. The cubic root of 47975992 is about 363.3635175851.

The spelling of 47975992 in words is "forty-seven million, nine hundred seventy-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 83 166 332 664 72253 144506 289012 578024 5996999 11993998 23987996 47975992