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140838627 = 346946209
BaseRepresentation
bin10000110010100…
…00011011100011
3100211000100021110
420121100123203
5242023314002
621550354403
73330052146
oct1031203343
9324010243
10140838627
1172555166
123b1bba03
1323241c87
14149c205d
15c56ee6c
hex86506e3

140838627 has 4 divisors (see below), whose sum is σ = 187784840. Its totient is φ = 93892416.

The previous prime is 140838571. The next prime is 140838661. The reversal of 140838627 is 726838041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726838041 = 3242279347.

It is not a de Polignac number, because 140838627 - 28 = 140838371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140838427) 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, 23473102 + ... + 23473107.

It is an arithmetic number, because the mean of its divisors is an integer number (46946210).

Almost surely, 2140838627 is an apocalyptic number.

140838627 is a deficient number, since it is larger than the sum of its proper divisors (46946213).

140838627 is an equidigital number, since it uses as much as digits as its factorization.

140838627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46946212.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 140838627 is about 11867.5451126170. The cubic root of 140838627 is about 520.2841482031.

The spelling of 140838627 in words is "one hundred forty million, eight hundred thirty-eight thousand, six hundred twenty-seven".

Divisors: 1 3 46946209 140838627