Base | Representation |
---|---|
bin | 101100111101… |
… | …0001111100100 |
3 | 1122100110010000 |
4 | 1121322033210 |
5 | 22013210010 |
6 | 2201101300 |
7 | 404223252 |
oct | 131721744 |
9 | 48313100 |
10 | 23569380 |
11 | 1233902a |
12 | 7a87830 |
13 | 4b62ca3 |
14 | 31b75d2 |
15 | 21087c0 |
hex | 167a3e4 |
23569380 has 60 divisors (see below), whose sum is σ = 73943100. Its totient is φ = 6284736.
The previous prime is 23569369. The next prime is 23569409. The reversal of 23569380 is 8396532.
It can be written as a sum of positive squares in 2 ways, for example, as 14424804 + 9144576 = 3798^2 + 3024^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5655 + ... + 8894.
It is an arithmetic number, because the mean of its divisors is an integer number (1232385).
Almost surely, 223569380 is an apocalyptic number.
23569380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23569380 is an abundant number, since it is smaller than the sum of its proper divisors (50373720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23569380 is a wasteful number, since it uses less digits than its factorization.
23569380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14570 (or 14559 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 23569380 is about 4854.8305840678. The cubic root of 23569380 is about 286.7143211444.
The spelling of 23569380 in words is "twenty-three million, five hundred sixty-nine thousand, three hundred eighty".
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