Base | Representation |
---|---|
bin | 101100100010… |
… | …1001011001101 |
3 | 1121221101221101 |
4 | 1121011023031 |
5 | 21434231023 |
6 | 2152303101 |
7 | 402326446 |
oct | 131051315 |
9 | 47841841 |
10 | 23352013 |
11 | 121aa793 |
12 | 79a1a91 |
13 | 4ab8079 |
14 | 315c2cd |
15 | 20b41ad |
hex | 16452cd |
23352013 has 4 divisors (see below), whose sum is σ = 23369148. Its totient is φ = 23334880.
The previous prime is 23351983. The next prime is 23352029. The reversal of 23352013 is 31025332.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22297284 + 1054729 = 4722^2 + 1027^2 .
It is a cyclic number.
It is not a de Polignac number, because 23352013 - 29 = 23351501 is a prime.
It is a super-2 number, since 2×233520132 = 1090633022304338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23352313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6328 + ... + 9313.
It is an arithmetic number, because the mean of its divisors is an integer number (5842287).
Almost surely, 223352013 is an apocalyptic number.
It is an amenable number.
23352013 is a deficient number, since it is larger than the sum of its proper divisors (17135).
23352013 is a wasteful number, since it uses less digits than its factorization.
23352013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17134.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 23352013 is about 4832.3920577701. The cubic root of 23352013 is about 285.8301965296.
Adding to 23352013 its reverse (31025332), we get a palindrome (54377345).
The spelling of 23352013 in words is "twenty-three million, three hundred fifty-two thousand, thirteen".
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