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137944850 = 2522758897
BaseRepresentation
bin10000011100011…
…01111100010010
3100121120022202112
420032031330102
5240303213400
621404345322
73263340401
oct1016157422
9317508675
10137944850
117095900a
123a245242
132276aa94
141446b638
15c19c835
hex838df12

137944850 has 12 divisors (see below), whose sum is σ = 256577514. Its totient is φ = 55177920.

The previous prime is 137944819. The next prime is 137944861. The reversal of 137944850 is 58449731.

It can be written as a sum of positive squares in 3 ways, for example, as 57501889 + 80442961 = 7583^2 + 8969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137944798 and 137944807.

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 5 ways as a sum of consecutive naturals, for example, 1379399 + ... + 1379498.

Almost surely, 2137944850 is an apocalyptic number.

137944850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137944850 is a deficient number, since it is larger than the sum of its proper divisors (118632664).

137944850 is a wasteful number, since it uses less digits than its factorization.

137944850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758909 (or 2758904 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 137944850 is about 11744.9925500189. The cubic root of 137944850 is about 516.6960764852.

The spelling of 137944850 in words is "one hundred thirty-seven million, nine hundred forty-four thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 2758897 5517794 13794485 27588970 68972425 137944850