Base | Representation |
---|---|
bin | 101100100010… |
… | …1011011000111 |
3 | 1121221110100002 |
4 | 1121011123013 |
5 | 21434244111 |
6 | 2152311515 |
7 | 402332432 |
oct | 131053307 |
9 | 47843302 |
10 | 23353031 |
11 | 12200529 |
12 | 79a259b |
13 | 4ab8680 |
14 | 315c819 |
15 | 20b463b |
hex | 16456c7 |
23353031 has 16 divisors (see below), whose sum is σ = 26404224. Its totient is φ = 20507904.
The previous prime is 23353021. The next prime is 23353049. The reversal of 23353031 is 13035332.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23353031 is a prime.
It is a super-2 number, since 2×233530312 = 1090728113773922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23352994 and 23353012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23353021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22091 + ... + 23123.
It is an arithmetic number, because the mean of its divisors is an integer number (1650264).
Almost surely, 223353031 is an apocalyptic number.
23353031 is a deficient number, since it is larger than the sum of its proper divisors (3051193).
23353031 is a wasteful number, since it uses less digits than its factorization.
23353031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1130.
The product of its (nonzero) digits is 810, while the sum is 20.
The square root of 23353031 is about 4832.4973874799. The cubic root of 23353031 is about 285.8343499318.
Adding to 23353031 its reverse (13035332), we get a palindrome (36388363).
The spelling of 23353031 in words is "twenty-three million, three hundred fifty-three thousand, thirty-one".
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