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137880044 = 2234470011
BaseRepresentation
bin10000011011111…
…10000111101100
3100121110000212022
420031332013230
5240244130134
621403125312
73262650431
oct1015760754
9317400768
10137880044
1170914355
123a213838
1322747433
1414451b88
15c18852e
hex837e1ec

137880044 has 6 divisors (see below), whose sum is σ = 241290084. Its totient is φ = 68940020.

The previous prime is 137880031. The next prime is 137880079. The reversal of 137880044 is 440088731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 137879986 and 137880013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17235002 + ... + 17235009.

It is an arithmetic number, because the mean of its divisors is an integer number (40215014).

Almost surely, 2137880044 is an apocalyptic number.

It is an amenable number.

137880044 is a deficient number, since it is larger than the sum of its proper divisors (103410040).

137880044 is a wasteful number, since it uses less digits than its factorization.

137880044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34470015 (or 34470013 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 137880044 is about 11742.2333480476. The cubic root of 137880044 is about 516.6151498178.

The spelling of 137880044 in words is "one hundred thirty-seven million, eight hundred eighty thousand, forty-four".

Divisors: 1 2 4 34470011 68940022 137880044