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47942870 = 254794287
BaseRepresentation
bin1011011011100…
…0110011010110
310100012202020212
42312320303112
544233132440
64431325422
71121336063
oct266706326
9110182225
1047942870
1125076208
1214080872
139c17c81
14651dc6a
154320465
hex2db8cd6

47942870 has 8 divisors (see below), whose sum is σ = 86297184. Its totient is φ = 19177144.

The previous prime is 47942863. The next prime is 47942891. The reversal of 47942870 is 7824974.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2397134 + ... + 2397153.

It is an arithmetic number, because the mean of its divisors is an integer number (10787148).

Almost surely, 247942870 is an apocalyptic number.

47942870 is a deficient number, since it is larger than the sum of its proper divisors (38354314).

47942870 is a wasteful number, since it uses less digits than its factorization.

47942870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794294.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 47942870 is about 6924.0790001270. The cubic root of 47942870 is about 363.2798778543.

The spelling of 47942870 in words is "forty-seven million, nine hundred forty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 4794287 9588574 23971435 47942870