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140991876 = 223219792
BaseRepresentation
bin10000110011101…
…01110110000100
3100211022010111100
420121311312010
5242043220001
621553540100
73331261014
oct1031656604
9324263440
10140991876
117264a313
123b274630
132329695c
1414a21c44
15c5a0586
hex8675d84

140991876 has 27 divisors (see below), whose sum is σ = 356576311. Its totient is φ = 46973544.

The previous prime is 140991841. The next prime is 140991889. The reversal of 140991876 is 678199041.

It is a happy number.

The square root of 140991876 is 11874.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 70255 + ... + 72233.

Almost surely, 2140991876 is an apocalyptic number.

140991876 is the 11874-th square number.

It is an amenable number.

140991876 is an abundant number, since it is smaller than the sum of its proper divisors (215584435).

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

140991876 is an equidigital number, since it uses as much as digits as its factorization.

140991876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The cubic root of 140991876 is about 520.4727899248.

It can be divided in two parts, 140 and 991876, that added together give a square (992016 = 9962).

The spelling of 140991876 in words is "one hundred forty million, nine hundred ninety-one thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 1979 3958 5937 7916 11874 17811 23748 35622 71244 3916441 7832882 11749323 15665764 23498646 35247969 46997292 70495938 140991876