Base | Representation |
---|---|
bin | 101100101010… |
… | …1110011000111 |
3 | 1122001212100020 |
4 | 1121111303013 |
5 | 21443420403 |
6 | 2153550223 |
7 | 403032120 |
oct | 131256307 |
9 | 48055306 |
10 | 23420103 |
11 | 12246963 |
12 | 7a15373 |
13 | 4b10065 |
14 | 3179047 |
15 | 20c9453 |
hex | 1655cc7 |
23420103 has 32 divisors (see below), whose sum is σ = 38092800. Its totient is φ = 12501216.
The previous prime is 23420087. The next prime is 23420107. The reversal of 23420103 is 30102432.
It is not a de Polignac number, because 23420103 - 24 = 23420087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23420107) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31150 + ... + 31892.
It is an arithmetic number, because the mean of its divisors is an integer number (1190400).
Almost surely, 223420103 is an apocalyptic number.
23420103 is a deficient number, since it is larger than the sum of its proper divisors (14672697).
23420103 is a wasteful number, since it uses less digits than its factorization.
23420103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23420103 is about 4839.4320947814. The cubic root of 23420103 is about 286.1077356675.
Adding to 23420103 its reverse (30102432), we get a palindrome (53522535).
The spelling of 23420103 in words is "twenty-three million, four hundred twenty thousand, one hundred three".
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