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39880632 = 23311231443
BaseRepresentation
bin1001100000100…
…0011110111000
32210001010221110
42120020132320
540202140012
63542440320
7662660031
oct230103670
983033843
1039880632
1120569a00
12114330a0
13835440c
145421a88
15377b73c
hex26087b8

39880632 has 96 divisors (see below), whose sum is σ = 113379840. Its totient is φ = 11668800.

The previous prime is 39880613. The next prime is 39880661. The reversal of 39880632 is 23608893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89803 + ... + 90245.

It is an arithmetic number, because the mean of its divisors is an integer number (1181040).

Almost surely, 239880632 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 39880632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56689920).

39880632 is an abundant number, since it is smaller than the sum of its proper divisors (73499208).

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

39880632 is a wasteful number, since it uses less digits than its factorization.

39880632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 39880632 is about 6315.1114004426. Note that the first 3 decimals coincide. The cubic root of 39880632 is about 341.6546563562.

The spelling of 39880632 in words is "thirty-nine million, eight hundred eighty thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 121 124 132 186 242 248 264 341 363 372 443 484 682 726 744 886 968 1023 1329 1364 1452 1772 2046 2658 2728 2904 3544 3751 4092 4873 5316 7502 8184 9746 10632 11253 13733 14619 15004 19492 22506 27466 29238 30008 38984 41199 45012 53603 54932 58476 82398 90024 107206 109864 116952 151063 160809 164796 214412 302126 321618 329592 428824 453189 604252 643236 906378 1208504 1286472 1661693 1812756 3323386 3625512 4985079 6646772 9970158 13293544 19940316 39880632