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47505992 = 236599011
BaseRepresentation
bin1011010100111…
…0001001001000
310022101112222012
42311032021020
544130142432
64414115052
71114536302
oct265161110
9108345865
1047505992
11248a7a56
1213aaba88
139ac4171
146448972
154285cb2
hex2d4e248

47505992 has 16 divisors (see below), whose sum is σ = 89218800. Its totient is φ = 23714320.

The previous prime is 47505979. The next prime is 47506009. The reversal of 47505992 is 29950574.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 9777.

It is an arithmetic number, because the mean of its divisors is an integer number (5576175).

Almost surely, 247505992 is an apocalyptic number.

It is an amenable number.

47505992 is a deficient number, since it is larger than the sum of its proper divisors (41712808).

47505992 is a wasteful number, since it uses less digits than its factorization.

47505992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 47505992 is about 6892.4590677058. The cubic root of 47505992 is about 362.1730499505.

The spelling of 47505992 in words is "forty-seven million, five hundred five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 659 1318 2636 5272 9011 18022 36044 72088 5938249 11876498 23752996 47505992