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137117260 = 22572397439
BaseRepresentation
bin10000010110000…
…11111001001100
3100120000021112001
420023003321030
5240100223020
621334522044
73253322530
oct1013037114
9316007461
10137117260
1170443255
1239b06324
132253b197
14142d3bc0
15c08750a
hex82c3e4c

137117260 has 96 divisors (see below), whose sum is σ = 347719680. Its totient is φ = 44402688.

The previous prime is 137117231. The next prime is 137117263. The reversal of 137117260 is 62711731.

It is a super-2 number, since 2×1371172602 = 37602285979815200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (137117263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312121 + ... + 312559.

It is an arithmetic number, because the mean of its divisors is an integer number (3622080).

Almost surely, 2137117260 is an apocalyptic number.

137117260 is a gapful number since it is divisible by the number (10) 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 137117260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173859840).

137117260 is an abundant number, since it is smaller than the sum of its proper divisors (210602420).

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

137117260 is a wasteful number, since it uses less digits than its factorization.

137117260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 137117260 is about 11709.7079382878. The cubic root of 137117260 is about 515.6607097889.

Adding to 137117260 its reverse (62711731), we get a palindrome (199828991).

The spelling of 137117260 in words is "one hundred thirty-seven million, one hundred seventeen thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 97 115 140 161 194 230 322 388 439 460 485 644 679 805 878 970 1358 1610 1756 1940 2195 2231 2716 3073 3220 3395 4390 4462 6146 6790 8780 8924 10097 11155 12292 13580 15365 15617 20194 22310 30730 31234 40388 42583 44620 50485 61460 62468 70679 78085 85166 100970 141358 156170 170332 201940 212915 282716 298081 312340 353395 425830 596162 706790 851660 979409 1192324 1413580 1490405 1958818 2980810 3917636 4897045 5961620 6855863 9794090 13711726 19588180 27423452 34279315 68558630 137117260