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47494664 = 237848119
BaseRepresentation
bin1011010100101…
…1011000001000
310022100222102122
42311023120020
544124312124
64413550412
71114461260
oct265133010
9108328378
1047494664
112489a498
1213aa5408
139abbc69
1464447a0
15428275e
hex2d4b608

47494664 has 16 divisors (see below), whose sum is σ = 101774400. Its totient is φ = 20354832.

The previous prime is 47494631. The next prime is 47494673. The reversal of 47494664 is 46649474.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 424004 + ... + 424115.

It is an arithmetic number, because the mean of its divisors is an integer number (6360900).

Almost surely, 247494664 is an apocalyptic number.

It is an amenable number.

47494664 is an abundant number, since it is smaller than the sum of its proper divisors (54279736).

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

47494664 is a wasteful number, since it uses less digits than its factorization.

47494664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848132 (or 848128 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 47494664 is about 6891.6372510456. The cubic root of 47494664 is about 362.1442604422.

The spelling of 47494664 in words is "forty-seven million, four hundred ninety-four thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 848119 1696238 3392476 5936833 6784952 11873666 23747332 47494664