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137268186 = 231123312917
BaseRepresentation
bin10000010111010…
…00101111011010
3100120021221112220
420023220233122
5240120040221
621342044510
73254521536
oct1013505732
9316257486
10137268186
1170536690
1239b79736
1322591aa3
1414332bc6
15c0b70c6
hex82e8bda

137268186 has 64 divisors (see below), whose sum is σ = 322707456. Its totient is φ = 38491200.

The previous prime is 137268151. The next prime is 137268259. The reversal of 137268186 is 681862731.

137268186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45600 + ... + 48516.

It is an arithmetic number, because the mean of its divisors is an integer number (5042304).

Almost surely, 2137268186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137268186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161353728).

137268186 is an abundant number, since it is smaller than the sum of its proper divisors (185439270).

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

137268186 is a wasteful number, since it uses less digits than its factorization.

137268186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987.

The product of its digits is 96768, while the sum is 42.

The square root of 137268186 is about 11716.1506477170. The cubic root of 137268186 is about 515.8498376224.

It can be divided in two parts, 13726 and 8186, that added together give a palindrome (21912).

The spelling of 137268186 in words is "one hundred thirty-seven million, two hundred sixty-eight thousand, one hundred eighty-six".

Divisors: 1 2 3 6 11 22 23 31 33 46 62 66 69 93 138 186 253 341 506 682 713 759 1023 1426 1518 2046 2139 2917 4278 5834 7843 8751 15686 17502 23529 32087 47058 64174 67091 90427 96261 134182 180854 192522 201273 271281 402546 542562 738001 994697 1476002 1989394 2079821 2214003 2984091 4159642 4428006 5968182 6239463 12478926 22878031 45756062 68634093 137268186