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142886601 = 321121310093
BaseRepresentation
bin10001000010001…
…00011011001001
3100221212101120100
420201010123021
5243034332401
622102320013
73353342004
oct1041043311
9327771510
10142886601
1173723900
123ba29009
13237ab1b0
1414d9653b
15c826b86
hex88446c9

142886601 has 36 divisors (see below), whose sum is σ = 244335364. Its totient is φ = 79928640.

The previous prime is 142886587. The next prime is 142886609. The reversal of 142886601 is 106688241.

142886601 is a `hidden beast` number, since 1 + 42 + 8 + 8 + 6 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44876601 + 98010000 = 6699^2 + 9900^2 .

It is not a de Polignac number, because 142886601 - 26 = 142886537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142886609) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9111 + ... + 19203.

Almost surely, 2142886601 is an apocalyptic number.

142886601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142886601 is a deficient number, since it is larger than the sum of its proper divisors (101448763).

142886601 is a wasteful number, since it uses less digits than its factorization.

142886601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134 (or 10120 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 142886601 is about 11953.5183523513. The cubic root of 142886601 is about 522.7938882220.

The spelling of 142886601 in words is "one hundred forty-two million, eight hundred eighty-six thousand, six hundred one".

Divisors: 1 3 9 11 13 33 39 99 117 121 143 363 429 1089 1287 1573 4719 10093 14157 30279 90837 111023 131209 333069 393627 999207 1180881 1221253 1443299 3663759 4329897 10991277 12989691 15876289 47628867 142886601