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39628057 = 7231012437
BaseRepresentation
bin1001011100101…
…0110100011001
32202120022110211
42113022310121
540121044212
63533211121
7660555460
oct227126431
982508424
1039628057
1120407167
1211330aa1
138296471
1453979d7
15372b9a7
hex25cad19

39628057 has 16 divisors (see below), whose sum is σ = 47745792. Its totient is φ = 32155200.

The previous prime is 39628049. The next prime is 39628079. The reversal of 39628057 is 75082693.

39628057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39628057 - 23 = 39628049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39628027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15043 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (2984112).

Almost surely, 239628057 is an apocalyptic number.

It is an amenable number.

39628057 is a deficient number, since it is larger than the sum of its proper divisors (8117735).

39628057 is a wasteful number, since it uses less digits than its factorization.

39628057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 39628057 is about 6295.0819692836. The cubic root of 39628057 is about 340.9318640507.

The spelling of 39628057 in words is "thirty-nine million, six hundred twenty-eight thousand, fifty-seven".

Divisors: 1 7 23 101 161 707 2323 2437 16261 17059 56051 246137 392357 1722959 5661151 39628057