Base | Representation |
---|---|
bin | 101011111010… |
… | …0111010011101 |
3 | 1121022200222101 |
4 | 1113310322131 |
5 | 21343221021 |
6 | 2141245101 |
7 | 366460132 |
oct | 127647235 |
9 | 47280871 |
10 | 23023261 |
11 | 11aa5798 |
12 | 7863791 |
13 | 4a01541 |
14 | 30b4589 |
15 | 204ba91 |
hex | 15f4e9d |
23023261 has 8 divisors (see below), whose sum is σ = 23356224. Its totient is φ = 22692960.
The previous prime is 23023249. The next prime is 23023267. The reversal of 23023261 is 16232032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23023261 - 29 = 23022749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23023267) 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, 21816 + ... + 22846.
It is an arithmetic number, because the mean of its divisors is an integer number (2919528).
Almost surely, 223023261 is an apocalyptic number.
It is an amenable number.
23023261 is a deficient number, since it is larger than the sum of its proper divisors (332963).
23023261 is a wasteful number, since it uses less digits than its factorization.
23023261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1331.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 23023261 is about 4798.2560373536. The cubic root of 23023261 is about 284.4825369732.
Adding to 23023261 its reverse (16232032), we get a palindrome (39255293).
The spelling of 23023261 in words is "twenty-three million, twenty-three thousand, two hundred sixty-one".
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