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170031 = 3192157
BaseRepresentation
bin101001100000101111
322122020110
4221200233
520420111
63351103
71305501
oct514057
9278213
10170031
11106824
1282493
135c514
1445d71
15355a6
hex2982f

170031 has 12 divisors (see below), whose sum is σ = 240792. Its totient is φ = 106704.

The previous prime is 170029. The next prime is 170047. The reversal of 170031 is 130071.

170031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 170031 - 21 = 170029 is a prime.

It is a super-2 number, since 2×1700312 = 57821081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169989 and 170016.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 170031.

It is not an unprimeable number, because it can be changed into a prime (170021) 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, 1005 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (20066).

2170031 is an apocalyptic number.

170031 is a deficient number, since it is larger than the sum of its proper divisors (70761).

170031 is a wasteful number, since it uses less digits than its factorization.

170031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 170031 is about 412.3481538700. The cubic root of 170031 is about 55.3999496061.

The spelling of 170031 in words is "one hundred seventy thousand, thirty-one".

Divisors: 1 3 19 57 157 361 471 1083 2983 8949 56677 170031