Base | Representation |
---|---|
bin | 101100100111… |
… | …1011111101000 |
3 | 1122000112220211 |
4 | 1121033133220 |
5 | 21442104110 |
6 | 2153230504 |
7 | 402563620 |
oct | 131173750 |
9 | 48015824 |
10 | 23394280 |
11 | 12229518 |
12 | 7a02434 |
13 | 4b01390 |
14 | 316d880 |
15 | 20c198a |
hex | 164f7e8 |
23394280 has 64 divisors (see below), whose sum is σ = 64794240. Its totient is φ = 7402752.
The previous prime is 23394233. The next prime is 23394281. The reversal of 23394280 is 8249332.
It is not an unprimeable number, because it can be changed into a prime (23394281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427 + ... + 6853.
It is an arithmetic number, because the mean of its divisors is an integer number (1012410).
Almost surely, 223394280 is an apocalyptic number.
23394280 is a gapful number since it is divisible by the number (20) 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 23394280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32397120).
23394280 is an abundant number, since it is smaller than the sum of its proper divisors (41399960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23394280 is a wasteful number, since it uses less digits than its factorization.
23394280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6458 (or 6454 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 23394280 is about 4836.7633806090. The cubic root of 23394280 is about 286.0025428890.
The spelling of 23394280 in words is "twenty-three million, three hundred ninety-four thousand, two hundred eighty".
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