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159897141 = 3219935071
BaseRepresentation
bin10011000011111…
…01011000110101
3102010212121122100
421201331120311
5311413202031
623511052313
73651050265
oct1141753065
9363777570
10159897141
11822920a8
1245671099
13271859c1
14173437a5
15e086de6
hex987d635

159897141 has 12 divisors (see below), whose sum is σ = 243118720. Its totient is φ = 100987560.

The previous prime is 159897137. The next prime is 159897167. The reversal of 159897141 is 141798951.

It is a happy number.

It is not a de Polignac number, because 159897141 - 22 = 159897137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159897181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467365 + ... + 467706.

Almost surely, 2159897141 is an apocalyptic number.

It is an amenable number.

159897141 is a deficient number, since it is larger than the sum of its proper divisors (83221579).

159897141 is a wasteful number, since it uses less digits than its factorization.

159897141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935096 (or 935093 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 159897141 is about 12645.0441280369. The cubic root of 159897141 is about 542.7671640968.

The spelling of 159897141 in words is "one hundred fifty-nine million, eight hundred ninety-seven thousand, one hundred forty-one".

Divisors: 1 3 9 19 57 171 935071 2805213 8415639 17766349 53299047 159897141