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137020744 = 2373178929
BaseRepresentation
bin10000010101011…
…00010101001000
3100112211101010101
420022230111020
5240034130434
621332455144
73252441250
oct1012542510
9315741111
10137020744
1170387793
1239a7a4b4
1322506283
14142aa960
15c068b14
hex82ac548

137020744 has 32 divisors (see below), whose sum is σ = 303091200. Its totient is φ = 56828160.

The previous prime is 137020733. The next prime is 137020753. The reversal of 137020744 is 447020731.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37729 + ... + 41200.

It is an arithmetic number, because the mean of its divisors is an integer number (9471600).

Almost surely, 2137020744 is an apocalyptic number.

137020744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137020744 is an abundant number, since it is smaller than the sum of its proper divisors (166070456).

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

137020744 is a wasteful number, since it uses less digits than its factorization.

137020744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78973 (or 78969 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 137020744 is about 11705.5860169408. The cubic root of 137020744 is about 515.5396912506.

The spelling of 137020744 in words is "one hundred thirty-seven million, twenty thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 78929 157858 315716 552503 631432 1105006 2210012 2446799 4420024 4893598 9787196 17127593 19574392 34255186 68510372 137020744