Base | Representation |
---|---|
bin | 10100001001110… |
… | …00110101100100 |
3 | 102210002210212020 |
4 | 22010320311210 |
5 | 321234203130 |
6 | 24435223140 |
7 | 4121634315 |
oct | 1204706544 |
9 | 383083766 |
10 | 169053540 |
11 | 87476477 |
12 | 48747ab0 |
13 | 290405a6 |
14 | 1864860c |
15 | ec94e10 |
hex | a138d64 |
169053540 has 96 divisors (see below), whose sum is σ = 494183424. Its totient is φ = 43130880.
The previous prime is 169053523. The next prime is 169053551. The reversal of 169053540 is 45350961.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179952 + ... + 180888.
It is an arithmetic number, because the mean of its divisors is an integer number (5147744).
Almost surely, 2169053540 is an apocalyptic number.
169053540 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 169053540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247091712).
169053540 is an abundant number, since it is smaller than the sum of its proper divisors (325129884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169053540 is a wasteful number, since it uses less digits than its factorization.
169053540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 33.
The square root of 169053540 is about 13002.0590677015. The cubic root of 169053540 is about 552.9358599379.
The spelling of 169053540 in words is "one hundred sixty-nine million, fifty-three thousand, five hundred forty".
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