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137294928 = 2432953437
BaseRepresentation
bin10000010111011…
…11010001010000
3100120100022020100
420023233101100
5240121414203
621342412400
73254662521
oct1013572120
9316308210
10137294928
1170554791
1239b91100
13225a1004
141433c848
15c0beea3
hex82ef450

137294928 has 30 divisors (see below), whose sum is σ = 384235514. Its totient is φ = 45764928.

The previous prime is 137294917. The next prime is 137294933. The reversal of 137294928 is 829492731.

137294928 is a `hidden beast` number, since 137 + 29 + 492 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 685584 = 11688^2 + 828^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 476575 + ... + 476862.

Almost surely, 2137294928 is an apocalyptic number.

137294928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

137294928 is an abundant number, since it is smaller than the sum of its proper divisors (246940586).

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

137294928 is a wasteful number, since it uses less digits than its factorization.

137294928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953451 (or 953442 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 137294928 is about 11717.2918372805. The cubic root of 137294928 is about 515.8833339991.

The spelling of 137294928 in words is "one hundred thirty-seven million, two hundred ninety-four thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 953437 1906874 2860311 3813748 5720622 7627496 8580933 11441244 15254992 17161866 22882488 34323732 45764976 68647464 137294928