Base | Representation |
---|---|
bin | 101011111101… |
… | …0000010000000 |
3 | 1121100202201210 |
4 | 1113322002000 |
5 | 21344403344 |
6 | 2141530120 |
7 | 366605220 |
oct | 127720200 |
9 | 47322653 |
10 | 23044224 |
11 | 1200a515 |
12 | 7873940 |
13 | 4a0ac48 |
14 | 30bc080 |
15 | 2052db9 |
hex | 15fa080 |
23044224 has 64 divisors (see below), whose sum is σ = 69963840. Its totient is φ = 6583296.
The previous prime is 23044223. The next prime is 23044243. The reversal of 23044224 is 42244032.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (21).
23044224 is a modest number, since divided by 4224 gives 2304 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 23044224.
It is not an unprimeable number, because it can be changed into a prime (23044223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599 + ... + 6974.
It is an arithmetic number, because the mean of its divisors is an integer number (1093185).
Almost surely, 223044224 is an apocalyptic number.
23044224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
23044224 is an abundant number, since it is smaller than the sum of its proper divisors (46919616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23044224 is an equidigital number, since it uses as much as digits as its factorization.
23044224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8597 (or 8585 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 21.
The square root of 23044224 is about 4800.4399798352. The cubic root of 23044224 is about 284.5688525528.
Adding to 23044224 its reverse (42244032), we get a palindrome (65288256).
The spelling of 23044224 in words is "twenty-three million, forty-four thousand, two hundred twenty-four".
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