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47052644 = 2242127941
BaseRepresentation
bin1011001101111…
…1011101100100
310021112112002112
42303133131210
544021141034
64400300152
71110640502
oct263373544
9107475075
1047052644
1124618391
1213911658
139995a02
14636b672
1541e67ce
hex2cdf764

47052644 has 12 divisors (see below), whose sum is σ = 82540668. Its totient is φ = 23469600.

The previous prime is 47052631. The next prime is 47052667. The reversal of 47052644 is 44625074.

It can be written as a sum of positive squares in 2 ways, for example, as 7840000 + 39212644 = 2800^2 + 6262^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47052644.

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, 12287 + ... + 15654.

It is an arithmetic number, because the mean of its divisors is an integer number (6878389).

Almost surely, 247052644 is an apocalyptic number.

It is an amenable number.

47052644 is a deficient number, since it is larger than the sum of its proper divisors (35488024).

47052644 is a wasteful number, since it uses less digits than its factorization.

47052644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366 (or 28364 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 47052644 is about 6859.4929841789. The cubic root of 47052644 is about 361.0172974833.

The spelling of 47052644 in words is "forty-seven million, fifty-two thousand, six hundred forty-four".

Divisors: 1 2 4 421 842 1684 27941 55882 111764 11763161 23526322 47052644