Base | Representation |
---|---|
bin | 10011100010100… |
… | …00011000001010 |
3 | 102102102100020200 |
4 | 21301100120022 |
5 | 313430011312 |
6 | 24133033030 |
7 | 4030121133 |
oct | 1161203012 |
9 | 372370220 |
10 | 163907082 |
11 | 845808a9 |
12 | 46a85776 |
13 | 27c5ac51 |
14 | 17aa8c8a |
15 | e5ca0dc |
hex | 9c5060a |
163907082 has 12 divisors (see below), whose sum is σ = 355132050. Its totient is φ = 54635688.
The previous prime is 163907041. The next prime is 163907083. The reversal of 163907082 is 280709361.
It can be written as a sum of positive squares in only one way, i.e., 162027441 + 1879641 = 12729^2 + 1371^2 .
It is not an unprimeable number, because it can be changed into a prime (163907083) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4552957 + ... + 4552992.
Almost surely, 2163907082 is an apocalyptic number.
163907082 is an abundant number, since it is smaller than the sum of its proper divisors (191224968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163907082 is a wasteful number, since it uses less digits than its factorization.
163907082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9105957 (or 9105954 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 163907082 is about 12802.6201224593. The cubic root of 163907082 is about 547.2669728289.
The spelling of 163907082 in words is "one hundred sixty-three million, nine hundred seven thousand, eighty-two".
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