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140570105 = 5132974573
BaseRepresentation
bin10000110000011…
…10110111111001
3100210111200221012
420120032313321
5241441220410
621540523305
73324553244
oct1030166771
9323450835
10140570105
1172391445
123b0b0535
13231799a0
141495225b
15c51a605
hex860edf9

140570105 has 16 divisors (see below), whose sum is σ = 187926480. Its totient is φ = 100224768.

The previous prime is 140570069. The next prime is 140570117. The reversal of 140570105 is 501075041.

It can be written as a sum of positive squares in 8 ways, for example, as 3024121 + 137545984 = 1739^2 + 11728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140570105 is a prime.

It is a super-2 number, since 2×1405701052 = 39519908839422050, which contains 22 as substring.

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, 35402 + ... + 39171.

It is an arithmetic number, because the mean of its divisors is an integer number (11745405).

Almost surely, 2140570105 is an apocalyptic number.

It is an amenable number.

140570105 is a deficient number, since it is larger than the sum of its proper divisors (47356375).

140570105 is a wasteful number, since it uses less digits than its factorization.

140570105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74620.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 140570105 is about 11856.2264232765. The cubic root of 140570105 is about 519.9532810591.

The spelling of 140570105 in words is "one hundred forty million, five hundred seventy thousand, one hundred five".

Divisors: 1 5 13 29 65 145 377 1885 74573 372865 969449 2162617 4847245 10813085 28114021 140570105