Base | Representation |
---|---|
bin | 10011101001111… |
… | …01111010101100 |
3 | 102111020202220022 |
4 | 21310331322230 |
5 | 314202130134 |
6 | 24205541312 |
7 | 4041312560 |
oct | 1164757254 |
9 | 374222808 |
10 | 164880044 |
11 | 850858aa |
12 | 47274838 |
13 | 2820ba74 |
14 | 17c7d6a0 |
15 | e71d52e |
hex | 9d3deac |
164880044 has 12 divisors (see below), whose sum is σ = 329760144. Its totient is φ = 70662864.
The previous prime is 164880013. The next prime is 164880073. The reversal of 164880044 is 440088461.
164880044 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 164879986 and 164880013.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944259 + ... + 2944314.
It is an arithmetic number, because the mean of its divisors is an integer number (27480012).
Almost surely, 2164880044 is an apocalyptic number.
164880044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
164880044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164880044 is a wasteful number, since it uses less digits than its factorization.
164880044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5888584 (or 5888582 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 35.
The square root of 164880044 is about 12840.5624487403. The cubic root of 164880044 is about 548.3477067664.
The spelling of 164880044 in words is "one hundred sixty-four million, eight hundred eighty thousand, forty-four".
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