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39482920 = 23529101337
BaseRepresentation
bin1001011010011…
…1011000101000
32202021221101101
42112213120220
540101423140
63530131144
7656412361
oct226473050
982257341
1039482920
1120318114
1211280ab4
138245399
14535ab68
1536ed99a
hex25a7628

39482920 has 64 divisors (see below), whose sum is σ = 93085200. Its totient is φ = 15052800.

The previous prime is 39482909. The next prime is 39482923. The reversal of 39482920 is 2928493.

It can be written as a sum of positive squares in 8 ways, for example, as 24226084 + 15256836 = 4922^2 + 3906^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 39482920.

It is not an unprimeable number, because it can be changed into a prime (39482923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116992 + ... + 117328.

Almost surely, 239482920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39482920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46542600).

39482920 is an abundant number, since it is smaller than the sum of its proper divisors (53602280).

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

39482920 is a wasteful number, since it uses less digits than its factorization.

39482920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 39482920 is about 6283.5435862258. The cubic root of 39482920 is about 340.5151360750.

The spelling of 39482920 in words is "thirty-nine million, four hundred eighty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 101 116 145 202 232 290 337 404 505 580 674 808 1010 1160 1348 1685 2020 2696 2929 3370 4040 5858 6740 9773 11716 13480 14645 19546 23432 29290 34037 39092 48865 58580 68074 78184 97730 117160 136148 170185 195460 272296 340370 390920 680740 987073 1361480 1974146 3948292 4935365 7896584 9870730 19741460 39482920