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47478768 = 2431675923
BaseRepresentation
bin1011010100011…
…1011111110000
310022100011121220
42311013133300
544123310033
64413345040
71114364031
oct265073760
9108304556
1047478768
1124889557
1213a98180
139ab495c
14643ca88
15427cbb3
hex2d477f0

47478768 has 40 divisors (see below), whose sum is σ = 123408768. Its totient is φ = 15728832.

The previous prime is 47478757. The next prime is 47478791. The reversal of 47478768 is 86787474.

It is a self number, because there is not a number n which added to its sum of digits gives 47478768.

It is a congruent number.

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, 5055 + ... + 10977.

Almost surely, 247478768 is an apocalyptic number.

47478768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47478768 is an abundant number, since it is smaller than the sum of its proper divisors (75930000).

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

47478768 is a wasteful number, since it uses less digits than its factorization.

47478768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101 (or 6095 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 51.

The square root of 47478768 is about 6890.4838727044. The cubic root of 47478768 is about 362.1038538854.

The spelling of 47478768 in words is "forty-seven million, four hundred seventy-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 167 334 501 668 1002 1336 2004 2672 4008 5923 8016 11846 17769 23692 35538 47384 71076 94768 142152 284304 989141 1978282 2967423 3956564 5934846 7913128 11869692 15826256 23739384 47478768