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137998248 = 23317338231
BaseRepresentation
bin10000011100110…
…10111110101000
3100121200001000020
420032122332220
5240311420443
621405440440
73263652153
oct1016327650
9317601006
10137998248
1170995143
123a270120
132278918b
1414482c9a
15c1ad583
hex839afa8

137998248 has 32 divisors (see below), whose sum is σ = 365290560. Its totient is φ = 43293440.

The previous prime is 137998247. The next prime is 137998261. The reversal of 137998248 is 842899731.

137998248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 137998248.

It is not an unprimeable number, because it can be changed into a prime (137998241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168708 + ... + 169523.

It is an arithmetic number, because the mean of its divisors is an integer number (11415330).

Almost surely, 2137998248 is an apocalyptic number.

It is an amenable number.

137998248 is an abundant number, since it is smaller than the sum of its proper divisors (227292312).

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

137998248 is a wasteful number, since it uses less digits than its factorization.

137998248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338257 (or 338253 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 137998248 is about 11747.2655541620. The cubic root of 137998248 is about 516.7627383379.

The spelling of 137998248 in words is "one hundred thirty-seven million, nine hundred ninety-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 338231 676462 1014693 1352924 2029386 2705848 4058772 5749927 8117544 11499854 17249781 22999708 34499562 45999416 68999124 137998248