Search a number
-
+
137040912 = 24321735501
BaseRepresentation
bin10000010101100…
…01010000010000
3100112212101210100
420022301100100
5240040302122
621333132400
73252554121
oct1012612020
9315771710
10137040912
11703a0958
1239a8a100
13225124c8
14142b4048
15c06eaac
hex82b1410

137040912 has 60 divisors (see below), whose sum is σ = 385811244. Its totient is φ = 45408000.

The previous prime is 137040889. The next prime is 137040919. The reversal of 137040912 is 219040731.

It can be written as a sum of positive squares in 2 ways, for example, as 130507776 + 6533136 = 11424^2 + 2556^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (137040919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22162 + ... + 27662.

Almost surely, 2137040912 is an apocalyptic number.

137040912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137040912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192905622).

137040912 is an abundant number, since it is smaller than the sum of its proper divisors (248770332).

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

137040912 is a wasteful number, since it uses less digits than its factorization.

137040912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 137040912 is about 11706.4474542877. The cubic root of 137040912 is about 515.5649840010.

The spelling of 137040912 in words is "one hundred thirty-seven million, forty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 173 346 519 692 1038 1384 1557 2076 2768 3114 4152 5501 6228 8304 11002 12456 16503 22004 24912 33006 44008 49509 66012 88016 99018 132024 198036 264048 396072 792144 951673 1903346 2855019 3806692 5710038 7613384 8565057 11420076 15226768 17130114 22840152 34260228 45680304 68520456 137040912