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137662161 = 3713279491
BaseRepresentation
bin10000011010010…
…00111011010001
3100121000221222120
420031020323101
5240220142121
621354324453
73261052260
oct1015107321
9317027876
10137662161
117078568a
123a129729
132269c200
14143d65d7
15c143bc6
hex8348ed1

137662161 has 48 divisors (see below), whose sum is σ = 230492160. Its totient is φ = 71547840.

The previous prime is 137662127. The next prime is 137662169. The reversal of 137662161 is 161266731.

It is not a de Polignac number, because 137662161 - 27 = 137662033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137662169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280126 + ... + 280616.

It is an arithmetic number, because the mean of its divisors is an integer number (4801920).

Almost surely, 2137662161 is an apocalyptic number.

It is an amenable number.

137662161 is a deficient number, since it is larger than the sum of its proper divisors (92829999).

137662161 is a wasteful number, since it uses less digits than its factorization.

137662161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 593 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 137662161 is about 11732.9519303541. The cubic root of 137662161 is about 516.3428817436.

The spelling of 137662161 in words is "one hundred thirty-seven million, six hundred sixty-two thousand, one hundred sixty-one".

Divisors: 1 3 7 13 21 39 79 91 169 237 273 491 507 553 1027 1183 1473 1659 3081 3437 3549 6383 7189 10311 13351 19149 21567 38789 40053 44681 82979 93457 116367 134043 248937 271523 280371 504257 580853 814569 1512771 1742559 3529799 6555341 10589397 19666023 45887387 137662161