Base | Representation |
---|---|
bin | 10100010001111… |
… | …11111001100101 |
3 | 102212010112220211 |
4 | 22020333321211 |
5 | 322023143140 |
6 | 24514255421 |
7 | 4134042610 |
oct | 1210777145 |
9 | 385115824 |
10 | 170131045 |
11 | 88041a77 |
12 | 48b87571 |
13 | 29329b76 |
14 | 18849177 |
15 | ee092ea |
hex | a23fe65 |
170131045 has 16 divisors (see below), whose sum is σ = 233549568. Its totient is φ = 116547840.
The previous prime is 170131037. The next prime is 170131051. The reversal of 170131045 is 540131071.
It is not a de Polignac number, because 170131045 - 23 = 170131037 is a prime.
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, 51277 + ... + 54493.
It is an arithmetic number, because the mean of its divisors is an integer number (14596848).
Almost surely, 2170131045 is an apocalyptic number.
It is an amenable number.
170131045 is a deficient number, since it is larger than the sum of its proper divisors (63418523).
170131045 is a wasteful number, since it uses less digits than its factorization.
170131045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4740.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 170131045 is about 13043.4291886758. The cubic root of 170131045 is about 554.1081311782.
The spelling of 170131045 in words is "one hundred seventy million, one hundred thirty-one thousand, forty-five".
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