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139704960 = 273572763
BaseRepresentation
bin10000101001110…
…11101010000000
3100201212202011210
420110323222000
5241231024320
621510210120
73314321043
oct1024735200
9321782153
10139704960
117195044a
123a953940
1322c35c75
14147a8c5a
15c3e90e0
hex853ba80

139704960 has 64 divisors (see below), whose sum is σ = 445315680. Its totient is φ = 37254144.

The previous prime is 139704947. The next prime is 139704989. The reversal of 139704960 is 69407931.

139704960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 34462 + ... + 38301.

Almost surely, 2139704960 is an apocalyptic number.

139704960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139704960 is an abundant number, since it is smaller than the sum of its proper divisors (305610720).

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

139704960 is an equidigital number, since it uses as much as digits as its factorization.

139704960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72785 (or 72773 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 139704960 is about 11819.6852749978. The cubic root of 139704960 is about 518.8843933017.

The spelling of 139704960 in words is "one hundred thirty-nine million, seven hundred 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 96 120 128 160 192 240 320 384 480 640 960 1920 72763 145526 218289 291052 363815 436578 582104 727630 873156 1091445 1164208 1455260 1746312 2182890 2328416 2910520 3492624 4365780 4656832 5821040 6985248 8731560 9313664 11642080 13970496 17463120 23284160 27940992 34926240 46568320 69852480 139704960