Base | Representation |
---|---|
bin | 101100101001… |
… | …0010010000001 |
3 | 1122001010120200 |
4 | 1121102102001 |
5 | 21442440242 |
6 | 2153355413 |
7 | 402642120 |
oct | 131222201 |
9 | 48033520 |
10 | 23405697 |
11 | 12237057 |
12 | 7a08b69 |
13 | 4b06633 |
14 | 3173ab7 |
15 | 20c504c |
hex | 1652481 |
23405697 has 48 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 12329856.
The previous prime is 23405693. The next prime is 23405729. The reversal of 23405697 is 79650432.
It is not a de Polignac number, because 23405697 - 22 = 23405693 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23405693) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41743 + ... + 42299.
It is an arithmetic number, because the mean of its divisors is an integer number (870480).
Almost surely, 223405697 is an apocalyptic number.
It is an amenable number.
23405697 is a deficient number, since it is larger than the sum of its proper divisors (18377343).
23405697 is a wasteful number, since it uses less digits than its factorization.
23405697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 622 (or 619 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 23405697 is about 4837.9434680451. The cubic root of 23405697 is about 286.0490608127.
The spelling of 23405697 in words is "twenty-three million, four hundred five thousand, six hundred ninety-seven".
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