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139464960 = 283536319
BaseRepresentation
bin10000101000000…
…01000100000000
3100201102112221220
420110001010000
5241200334320
621501115040
73312301245
oct1024010400
9321375856
10139464960
11717a70a8
123a858a80
1322b8095b
14147455cc
15c39ce40
hex8501100

139464960 has 72 divisors (see below), whose sum is σ = 445428480. Its totient is φ = 37189632.

The previous prime is 139464917. The next prime is 139464979. The reversal of 139464960 is 69464931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14320 + ... + 21999.

Almost surely, 2139464960 is an apocalyptic number.

139464960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139464960 is an abundant number, since it is smaller than the sum of its proper divisors (305963520).

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

139464960 is an equidigital number, since it uses as much as digits as its factorization.

139464960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36343 (or 36329 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 139464960 is about 11809.5283563739. The cubic root of 139464960 is about 518.5870914399.

The spelling of 139464960 in words is "one hundred thirty-nine million, four hundred sixty-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 36319 72638 108957 145276 181595 217914 290552 363190 435828 544785 581104 726380 871656 1089570 1162208 1452760 1743312 2179140 2324416 2905520 3486624 4358280 4648832 5811040 6973248 8716560 9297664 11622080 13946496 17433120 23244160 27892992 34866240 46488320 69732480 139464960