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140656360 = 23513270493
BaseRepresentation
bin10000110001000…
…11111011101000
3100210200002020211
420120203323220
5242002000420
621542430504
73325362565
oct1030437350
9323602224
10140656360
1172440229
123b132434
13231aa020
141497586c
15c535e5a
hex8623ee8

140656360 has 32 divisors (see below), whose sum is σ = 340822440. Its totient is φ = 51934464.

The previous prime is 140656333. The next prime is 140656361. The reversal of 140656360 is 63656041.

It can be written as a sum of positive squares in 4 ways, for example, as 62758084 + 77898276 = 7922^2 + 8826^2 .

It is not an unprimeable number, because it can be changed into a prime (140656361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134727 + ... + 135766.

Almost surely, 2140656360 is an apocalyptic number.

140656360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140656360 is an abundant number, since it is smaller than the sum of its proper divisors (200166080).

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

140656360 is a wasteful number, since it uses less digits than its factorization.

140656360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270517 (or 270513 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 140656360 is about 11859.8634056215. The cubic root of 140656360 is about 520.0596085513.

The spelling of 140656360 in words is "one hundred forty million, six hundred fifty-six thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 270493 540986 1081972 1352465 2163944 2704930 3516409 5409860 7032818 10819720 14065636 17582045 28131272 35164090 70328180 140656360