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47628937 = 12722953
BaseRepresentation
bin1011010110110…
…0001010001001
310022121210121201
42311230022021
544143111222
64420504201
71115560606
oct265541211
9108553551
1047628937
1124981364
1213b4b061
139b38105
14647b6ad
1542ac427
hex2d6c289

47628937 has 6 divisors (see below), whose sum is σ = 48023178. Its totient is φ = 47237904.

The previous prime is 47628899. The next prime is 47628941. The reversal of 47628937 is 73982674.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 2322576 = 6731^2 + 1524^2 .

It is not a de Polignac number, because 47628937 - 211 = 47626889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47625937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14653 + ... + 17605.

It is an arithmetic number, because the mean of its divisors is an integer number (8003863).

Almost surely, 247628937 is an apocalyptic number.

It is an amenable number.

47628937 is a deficient number, since it is larger than the sum of its proper divisors (394241).

47628937 is an equidigital number, since it uses as much as digits as its factorization.

47628937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3080 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 47628937 is about 6901.3721099503. The cubic root of 47628937 is about 362.4852141413.

The spelling of 47628937 in words is "forty-seven million, six hundred twenty-eight thousand, nine hundred thirty-seven".

Divisors: 1 127 2953 16129 375031 47628937