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170027081 = 717284047
BaseRepresentation
bin10100010001001…
…10100001001001
3102211221021022022
422020212201021
5322011331311
624512134225
74133130530
oct1210464111
9384837268
10170027081
1187a80954
1248b37375
13292c1753
141881d317
15edd85db
hexa226849

170027081 has 12 divisors (see below), whose sum is σ = 206421888. Its totient is φ = 137163072.

The previous prime is 170027051. The next prime is 170027119. The reversal of 170027081 is 180720071.

It is not a de Polignac number, because 170027081 - 218 = 169764937 is a prime.

It is a super-2 number, since 2×1700270812 = 57818416546761122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 170027081.

It is not an unprimeable number, because it can be changed into a prime (170027051) 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, 40001 + ... + 44046.

It is an arithmetic number, because the mean of its divisors is an integer number (17201824).

Almost surely, 2170027081 is an apocalyptic number.

It is an amenable number.

170027081 is a deficient number, since it is larger than the sum of its proper divisors (36394807).

170027081 is an equidigital number, since it uses as much as digits as its factorization.

170027081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84088 (or 84071 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 170027081 is about 13039.4432779931. The cubic root of 170027081 is about 553.9952396990.

The spelling of 170027081 in words is "one hundred seventy million, twenty-seven thousand, eighty-one".

Divisors: 1 7 17 119 289 2023 84047 588329 1428799 10001593 24289583 170027081