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137297260 = 22579113769
BaseRepresentation
bin10000010111011…
…11110101101100
3100120100102102201
420023233311230
5240122003020
621342431244
73255002362
oct1013576554
9316312381
10137297260
1170556511
1239b92524
13225a20a9
141433d632
15c0c0a0a
hex82efd6c

137297260 has 48 divisors (see below), whose sum is σ = 294940800. Its totient is φ = 53673984.

The previous prime is 137297257. The next prime is 137297263. The reversal of 137297260 is 62792731.

It is an interprime number because it is at equal distance from previous prime (137297257) and next prime (137297263).

It is not an unprimeable number, because it can be changed into a prime (137297263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178156 + ... + 178924.

It is an arithmetic number, because the mean of its divisors is an integer number (6144600).

Almost surely, 2137297260 is an apocalyptic number.

137297260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137297260 is an abundant number, since it is smaller than the sum of its proper divisors (157643540).

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

137297260 is a wasteful number, since it uses less digits than its factorization.

137297260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 137297260 is about 11717.3913479068. The cubic root of 137297260 is about 515.8862547993.

The spelling of 137297260 in words is "one hundred thirty-seven million, two hundred ninety-seven thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 79 113 158 226 316 395 452 565 769 790 1130 1538 1580 2260 3076 3845 7690 8927 15380 17854 35708 44635 60751 86897 89270 121502 173794 178540 243004 303755 347588 434485 607510 868970 1215020 1737940 6864863 13729726 27459452 34324315 68648630 137297260