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140045627 = 413415747
BaseRepresentation
bin10000101100011…
…10110100111011
3100202112001111002
420112032310323
5241322430002
621521355215
73320240201
oct1026166473
9322461432
10140045627
1172063397
123aa98b0b
1323025047
1414857071
15c465002
hex858ed3b

140045627 has 4 divisors (see below), whose sum is σ = 143461416. Its totient is φ = 136629840.

The previous prime is 140045603. The next prime is 140045639. The reversal of 140045627 is 726540041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726540041 = 1288956369.

It is a cyclic number.

It is not a de Polignac number, because 140045627 - 220 = 138997051 is a prime.

It is a super-2 number, since 2×1400456272 = 39225555283646258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140045627.

It is not an unprimeable number, because it can be changed into a prime (140042627) 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, 1707833 + ... + 1707914.

It is an arithmetic number, because the mean of its divisors is an integer number (35865354).

Almost surely, 2140045627 is an apocalyptic number.

140045627 is a deficient number, since it is larger than the sum of its proper divisors (3415789).

140045627 is an equidigital number, since it uses as much as digits as its factorization.

140045627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415788.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140045627 is about 11834.0875017891. The cubic root of 140045627 is about 519.3058130888.

Adding to 140045627 its reverse (726540041), we get a palindrome (866585668).

The spelling of 140045627 in words is "one hundred forty million, forty-five thousand, six hundred twenty-seven".

Divisors: 1 41 3415747 140045627