Base | Representation |
---|---|
bin | 101100000110… |
… | …1110100111111 |
3 | 1121111212222000 |
4 | 1120031310333 |
5 | 21410002221 |
6 | 2143353343 |
7 | 400363506 |
oct | 130156477 |
9 | 47455860 |
10 | 23125311 |
11 | 12065430 |
12 | 78b2853 |
13 | 4a38b21 |
14 | 30dd83d |
15 | 206be26 |
hex | 160dd3f |
23125311 has 16 divisors (see below), whose sum is σ = 37374720. Its totient is φ = 14015160.
The previous prime is 23125309. The next prime is 23125313. The reversal of 23125311 is 11352132.
It is an interprime number because it is at equal distance from previous prime (23125309) and next prime (23125313).
It is not a de Polignac number, because 23125311 - 21 = 23125309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23125313) 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, 38635 + ... + 39228.
It is an arithmetic number, because the mean of its divisors is an integer number (2335920).
Almost surely, 223125311 is an apocalyptic number.
23125311 is a deficient number, since it is larger than the sum of its proper divisors (14249409).
23125311 is a wasteful number, since it uses less digits than its factorization.
23125311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77883 (or 77877 counting only the distinct ones).
The product of its digits is 180, while the sum is 18.
The square root of 23125311 is about 4808.8783515494. The cubic root of 23125311 is about 284.9022379372.
Adding to 23125311 its reverse (11352132), we get a palindrome (34477443).
It can be divided in two parts, 23125 and 311, that added together give a triangular number (23436 = T216).
The spelling of 23125311 in words is "twenty-three million, one hundred twenty-five thousand, three hundred eleven".
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