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137072361 = 3227201281
BaseRepresentation
bin10000010101110…
…00111011101001
3100112220222221010
420022320323221
5240042303421
621333534133
73253044606
oct1012707351
9315828833
10137072361
1170412548
1239aa4349
132252390a
14142c16ad
15c079076
hex82b8ee9

137072361 has 8 divisors (see below), whose sum is σ = 183569184. Its totient is φ = 90978560.

The previous prime is 137072339. The next prime is 137072381. The reversal of 137072361 is 163270731.

137072361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137072361 - 27 = 137072233 is a prime.

It is a super-2 number, since 2×1370723612 = 37577664300228642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137072311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99960 + ... + 101321.

It is an arithmetic number, because the mean of its divisors is an integer number (22946148).

Almost surely, 2137072361 is an apocalyptic number.

It is an amenable number.

137072361 is a deficient number, since it is larger than the sum of its proper divisors (46496823).

137072361 is a wasteful number, since it uses less digits than its factorization.

137072361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201511.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 137072361 is about 11707.7906113835. The cubic root of 137072361 is about 515.6044193365.

The spelling of 137072361 in words is "one hundred thirty-seven million, seventy-two thousand, three hundred sixty-one".

Divisors: 1 3 227 681 201281 603843 45690787 137072361