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137832198 = 2372468817
BaseRepresentation
bin10000011011100…
…10011100000110
3100121100121020020
420031302130012
5240241112243
621402120010
73262361100
oct1015623406
9317317206
10137832198
1170891409
123a1b0006
132272b71a
141443c570
15c179283
hex8372706

137832198 has 24 divisors (see below), whose sum is σ = 320671512. Its totient is φ = 39380544.

The previous prime is 137832179. The next prime is 137832203. The reversal of 137832198 is 891238731.

It is a super-2 number, since 2×1378321982 = 37995429611022408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234115 + ... + 234702.

It is an arithmetic number, because the mean of its divisors is an integer number (13361313).

Almost surely, 2137832198 is an apocalyptic number.

137832198 is an abundant number, since it is smaller than the sum of its proper divisors (182839314).

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

137832198 is a wasteful number, since it uses less digits than its factorization.

137832198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468836 (or 468829 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 137832198 is about 11740.1958246019. The cubic root of 137832198 is about 516.5553857227. Note that the first 3 decimals are identical.

The spelling of 137832198 in words is "one hundred thirty-seven million, eight hundred thirty-two thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 468817 937634 1406451 2812902 3281719 6563438 9845157 19690314 22972033 45944066 68916099 137832198