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137763890 = 25111252399
BaseRepresentation
bin10000011011000…
…01110000110010
3100121020010112022
420031201300302
5240231421030
621400431442
73261654665
oct1015416062
9317203468
10137763890
1170845060
123a178582
13227065c4
14144216dc
15c163de5
hex8361c32

137763890 has 16 divisors (see below), whose sum is σ = 270518400. Its totient is φ = 50095920.

The previous prime is 137763887. The next prime is 137763917. The reversal of 137763890 is 98367731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626090 + ... + 626309.

It is an arithmetic number, because the mean of its divisors is an integer number (16907400).

Almost surely, 2137763890 is an apocalyptic number.

137763890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137763890 is a deficient number, since it is larger than the sum of its proper divisors (132754510).

137763890 is a wasteful number, since it uses less digits than its factorization.

137763890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252417.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 137763890 is about 11737.2863132838. The cubic root of 137763890 is about 516.4700387179.

The spelling of 137763890 in words is "one hundred thirty-seven million, seven hundred sixty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 1252399 2504798 6261995 12523990 13776389 27552778 68881945 137763890