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140375953 = 178257409
BaseRepresentation
bin10000101110111…
…11011110010001
3100210010211121101
420113133132101
5241414012303
621532424401
73323114224
oct1027373621
9323124541
10140375953
1172269593
123b018101
132310c4c3
14149015bb
15c4ccd1d
hex85df791

140375953 has 4 divisors (see below), whose sum is σ = 148633380. Its totient is φ = 132118528.

The previous prime is 140375941. The next prime is 140375999. The reversal of 140375953 is 359573041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129800449 + 10575504 = 11393^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 140375953 - 29 = 140375441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140375903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128688 + ... + 4128721.

It is an arithmetic number, because the mean of its divisors is an integer number (37158345).

Almost surely, 2140375953 is an apocalyptic number.

It is an amenable number.

140375953 is a deficient number, since it is larger than the sum of its proper divisors (8257427).

140375953 is an equidigital number, since it uses as much as digits as its factorization.

140375953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257426.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 140375953 is about 11848.0358287777. The cubic root of 140375953 is about 519.7137885021.

The spelling of 140375953 in words is "one hundred forty million, three hundred seventy-five thousand, nine hundred fifty-three".

Divisors: 1 17 8257409 140375953