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137740260 = 22357327953
BaseRepresentation
bin10000011010110…
…11111111100100
3100121011221010010
420031123333210
5240230142020
621400130220
73261526050
oct1015337744
9317157103
10137740260
1170829329
123a166970
13226c8918
1414416c60
15c15bde0
hex835bfe4

137740260 has 48 divisors (see below), whose sum is σ = 440770176. Its totient is φ = 31483392.

The previous prime is 137740259. The next prime is 137740271. The reversal of 137740260 is 62047731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163557 + ... + 164396.

It is an arithmetic number, because the mean of its divisors is an integer number (9182712).

Almost surely, 2137740260 is an apocalyptic number.

137740260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137740260 is an abundant number, since it is smaller than the sum of its proper divisors (303029916).

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

137740260 is a wasteful number, since it uses less digits than its factorization.

137740260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327972 (or 327970 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 137740260 is about 11736.2796490200. The cubic root of 137740260 is about 516.4405077940.

Adding to 137740260 its reverse (62047731), we get a palindrome (199787991).

The spelling of 137740260 in words is "one hundred thirty-seven million, seven hundred forty thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 327953 655906 983859 1311812 1639765 1967718 2295671 3279530 3935436 4591342 4919295 6559060 6887013 9182684 9838590 11478355 13774026 19677180 22956710 27548052 34435065 45913420 68870130 137740260