Base | Representation |
---|---|
bin | 111101101010… |
… | …101001101101 |
3 | 1010102021212200 |
4 | 331222221231 |
5 | 13114243420 |
6 | 1334252113 |
7 | 254255460 |
oct | 75525155 |
9 | 33367780 |
10 | 16165485 |
11 | 9141406 |
12 | 54b7039 |
13 | 346cc9b |
14 | 220b2d7 |
15 | 1644b90 |
hex | f6aa6d |
16165485 has 96 divisors (see below), whose sum is σ = 35093760. Its totient is φ = 6718464.
The previous prime is 16165483. The next prime is 16165489. The reversal of 16165485 is 58456161.
16165485 is a `hidden beast` number, since 16 + 165 + 485 = 666.
It is not a de Polignac number, because 16165485 - 21 = 16165483 is a prime.
It is a super-2 number, since 2×161654852 = 522645810570450, which contains 22 as substring.
Its product of digits (28800) is a multiple of the sum of its prime divisors (144).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16165483) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 221409 + ... + 221481.
It is an arithmetic number, because the mean of its divisors is an integer number (365560).
Almost surely, 216165485 is an apocalyptic number.
16165485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16165485 is an abundant number, since it is smaller than the sum of its proper divisors (18928275).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16165485 is a wasteful number, since it uses less digits than its factorization.
16165485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147 (or 144 counting only the distinct ones).
The product of its digits is 28800, while the sum is 36.
The square root of 16165485 is about 4020.6324129420. The cubic root of 16165485 is about 252.8499738053.
The spelling of 16165485 in words is "sixteen million, one hundred sixty-five thousand, four hundred eighty-five".
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