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139963152 = 2437715867
BaseRepresentation
bin10000101011110…
…10101100010000
3100202100212100110
420111322230100
5241312310102
621515521320
73316444560
oct1025725420
9322325313
10139963152
117200742a
123aa59240
1322cc6644
1414834da0
15c44a86c
hex857ab10

139963152 has 80 divisors (see below), whose sum is σ = 419116032. Its totient is φ = 39419520.

The previous prime is 139963147. The next prime is 139963183. The reversal of 139963152 is 251369931.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 139963152.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20923 + ... + 26789.

Almost surely, 2139963152 is an apocalyptic number.

139963152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139963152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209558016).

139963152 is an abundant number, since it is smaller than the sum of its proper divisors (279152880).

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

139963152 is a wasteful number, since it uses less digits than its factorization.

139963152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956 (or 5950 counting only the distinct ones).

The product of its digits is 43740, while the sum is 39.

The square root of 139963152 is about 11830.6023515289. The cubic root of 139963152 is about 519.2038507062.

The spelling of 139963152 in words is "one hundred thirty-nine million, nine hundred sixty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 71 84 112 142 168 213 284 336 426 497 568 852 994 1136 1491 1704 1988 2982 3408 3976 5867 5964 7952 11734 11928 17601 23468 23856 35202 41069 46936 70404 82138 93872 123207 140808 164276 246414 281616 328552 416557 492828 657104 833114 985656 1249671 1666228 1971312 2499342 2915899 3332456 4998684 5831798 6664912 8747697 9997368 11663596 17495394 19994736 23327192 34990788 46654384 69981576 139963152