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142517165 = 5729140411
BaseRepresentation
bin10000111111010…
…10001110101101
3100221011121210112
420133222032231
5242441022130
622050345405
73350242640
oct1037521655
9327147715
10142517165
11734a128a
123b88b265
13236abcab
1414cdba57
15c7a2495
hex87ea3ad

142517165 has 16 divisors (see below), whose sum is σ = 202193280. Its totient is φ = 94355520.

The previous prime is 142517101. The next prime is 142517191. The reversal of 142517165 is 561715241.

It is not a de Polignac number, because 142517165 - 26 = 142517101 is a prime.

It is a super-2 number, since 2×1425171652 = 40622284639274450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69191 + ... + 71220.

It is an arithmetic number, because the mean of its divisors is an integer number (12637080).

Almost surely, 2142517165 is an apocalyptic number.

It is an amenable number.

142517165 is a deficient number, since it is larger than the sum of its proper divisors (59676115).

142517165 is a wasteful number, since it uses less digits than its factorization.

142517165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140452.

The product of its digits is 8400, while the sum is 32.

The square root of 142517165 is about 11938.0553273973. The cubic root of 142517165 is about 522.3429348650.

The spelling of 142517165 in words is "one hundred forty-two million, five hundred seventeen thousand, one hundred sixty-five".

Divisors: 1 5 7 29 35 145 203 1015 140411 702055 982877 4071919 4914385 20359595 28503433 142517165