Base | Representation |
---|---|
bin | 10100001010011… |
… | …11111000111000 |
3 | 102210021121101021 |
4 | 22011033320320 |
5 | 321300213320 |
6 | 24441232224 |
7 | 4122506512 |
oct | 1205177070 |
9 | 383247337 |
10 | 169147960 |
11 | 87530403 |
12 | 48792674 |
13 | 29074567 |
14 | 18670bb2 |
15 | ecb2daa |
hex | a14fe38 |
169147960 has 64 divisors (see below), whose sum is σ = 412866720. Its totient is φ = 62115840.
The previous prime is 169147949. The next prime is 169147961. The reversal of 169147960 is 69741961.
It is a happy number.
169147960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1691479602 = 57222064744323200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169147961) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24847 + ... + 30913.
Almost surely, 2169147960 is an apocalyptic number.
169147960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 169147960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206433360).
169147960 is an abundant number, since it is smaller than the sum of its proper divisors (243718760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169147960 is a wasteful number, since it uses less digits than its factorization.
169147960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6136 (or 6132 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 43.
The square root of 169147960 is about 13005.6895242044. The cubic root of 169147960 is about 553.0387829273.
The spelling of 169147960 in words is "one hundred sixty-nine million, one hundred forty-seven thousand, nine hundred sixty".
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