Base | Representation |
---|---|
bin | 101100001111… |
… | …1011011011001 |
3 | 1121122112212000 |
4 | 1120133123121 |
5 | 21414304101 |
6 | 2145111213 |
7 | 401113623 |
oct | 130373331 |
9 | 47575760 |
10 | 23197401 |
11 | 12104607 |
12 | 7928509 |
13 | 4a62896 |
14 | 311bc13 |
15 | 2083486 |
hex | 161f6d9 |
23197401 has 16 divisors (see below), whose sum is σ = 36388800. Its totient is φ = 14554944.
The previous prime is 23197399. The next prime is 23197417. The reversal of 23197401 is 10479132.
It is not a de Polignac number, because 23197401 - 21 = 23197399 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (23197441) 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, 24811 + ... + 25728.
It is an arithmetic number, because the mean of its divisors is an integer number (2274300).
Almost surely, 223197401 is an apocalyptic number.
It is an amenable number.
23197401 is a deficient number, since it is larger than the sum of its proper divisors (13191399).
23197401 is a wasteful number, since it uses less digits than its factorization.
23197401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50565 (or 50559 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 23197401 is about 4816.3680299578. The cubic root of 23197401 is about 285.1979787832.
The spelling of 23197401 in words is "twenty-three million, one hundred ninety-seven thousand, four hundred one".
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