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47893664 = 2571316447
BaseRepresentation
bin1011011010110…
…0110010100000
310100010020202102
42312230302200
544230044124
64430305532
71121042450
oct266546240
9110106672
1047893664
1125042245
12140582a8
139bcb760
146509d60
154310aae
hex2dacca0

47893664 has 48 divisors (see below), whose sum is σ = 116057088. Its totient is φ = 18945792.

The previous prime is 47893649. The next prime is 47893669. The reversal of 47893664 is 46639874.

It is not an unprimeable number, because it can be changed into a prime (47893669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (2417856).

Almost surely, 247893664 is an apocalyptic number.

It is an amenable number.

47893664 is an abundant number, since it is smaller than the sum of its proper divisors (68163424).

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

47893664 is a wasteful number, since it uses less digits than its factorization.

47893664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477 (or 16469 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 47893664 is about 6920.5248355887. The cubic root of 47893664 is about 363.1555516256.

The spelling of 47893664 in words is "forty-seven million, eight hundred ninety-three thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 16447 32894 65788 115129 131576 213811 230258 263152 427622 460516 526304 855244 921032 1496677 1710488 1842064 2993354 3420976 3684128 5986708 6841952 11973416 23946832 47893664