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39480728 = 237705013
BaseRepresentation
bin1001011010011…
…0110110011000
32202021211101012
42112212312120
540101340403
63530113052
7656403110
oct226466630
982254335
1039480728
1120316501
121127b788
1382443a1
14535a040
1536eced8
hex25a6d98

39480728 has 16 divisors (see below), whose sum is σ = 84601680. Its totient is φ = 16920288.

The previous prime is 39480713. The next prime is 39480733. The reversal of 39480728 is 82708493.

39480728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 352451 + ... + 352562.

It is an arithmetic number, because the mean of its divisors is an integer number (5287605).

Almost surely, 239480728 is an apocalyptic number.

It is an amenable number.

39480728 is an abundant number, since it is smaller than the sum of its proper divisors (45120952).

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

39480728 is a wasteful number, since it uses less digits than its factorization.

39480728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705026 (or 705022 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 39480728 is about 6283.3691599332. The cubic root of 39480728 is about 340.5088344220.

The spelling of 39480728 in words is "thirty-nine million, four hundred eighty thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 705013 1410026 2820052 4935091 5640104 9870182 19740364 39480728