Base | Representation |
---|---|
bin | 1000001110011… |
… | …11001101000000 |
3 | 11210211212122010 |
4 | 10013033031000 |
5 | 120131144034 |
6 | 10503012520 |
7 | 1465354044 |
oct | 407171500 |
9 | 153755563 |
10 | 69006144 |
11 | 35a52379 |
12 | 1b13a140 |
13 | 113b134c |
14 | 9244024 |
15 | 60d13e9 |
hex | 41cf340 |
69006144 has 28 divisors (see below), whose sum is σ = 182579264. Its totient is φ = 23001984.
The previous prime is 69006139. The next prime is 69006151. The reversal of 69006144 is 44160096.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179512 + ... + 179895.
It is an arithmetic number, because the mean of its divisors is an integer number (6520688).
Almost surely, 269006144 is an apocalyptic number.
69006144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
69006144 is an abundant number, since it is smaller than the sum of its proper divisors (113573120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69006144 is a wasteful number, since it uses less digits than its factorization.
69006144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359422 (or 359412 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 69006144 is about 8306.9936800265. The cubic root of 69006144 is about 410.1687665321.
The spelling of 69006144 in words is "sixty-nine million, six thousand, one hundred forty-four".
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