Base | Representation |
---|---|
bin | 101100000100… |
… | …0100010011010 |
3 | 1121110210020110 |
4 | 1120020202122 |
5 | 21403304032 |
6 | 2143105150 |
7 | 400243362 |
oct | 130104232 |
9 | 47423213 |
10 | 23103642 |
11 | 12050121 |
12 | 78a21b6 |
13 | 4a2bcc3 |
14 | 30d59a2 |
15 | 20657cc |
hex | 160889a |
23103642 has 32 divisors (see below), whose sum is σ = 47678400. Its totient is φ = 7459200.
The previous prime is 23103617. The next prime is 23103643. The reversal of 23103642 is 24630132.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (23103643) 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, 38142 + ... + 38742.
It is an arithmetic number, because the mean of its divisors is an integer number (1489950).
Almost surely, 223103642 is an apocalyptic number.
23103642 is an abundant number, since it is smaller than the sum of its proper divisors (24574758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23103642 is a wasteful number, since it uses less digits than its factorization.
23103642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 23103642 is about 4806.6248033313. The cubic root of 23103642 is about 284.8132232661.
Adding to 23103642 its reverse (24630132), we get a palindrome (47733774).
The spelling of 23103642 in words is "twenty-three million, one hundred three thousand, six hundred forty-two".
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