Base | Representation |
---|---|
bin | 101100101100… |
… | …0001110111110 |
3 | 1122002101000200 |
4 | 1121120032332 |
5 | 21444230303 |
6 | 2154104330 |
7 | 403103160 |
oct | 131301676 |
9 | 48071020 |
10 | 23430078 |
11 | 12253401 |
12 | 7a1b0a6 |
13 | 4b14769 |
14 | 317c930 |
15 | 20cc3a3 |
hex | 16583be |
23430078 has 48 divisors (see below), whose sum is σ = 61077120. Its totient is φ = 6341328.
The previous prime is 23430049. The next prime is 23430083. The reversal of 23430078 is 87003432.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2500 + ... + 7287.
It is an arithmetic number, because the mean of its divisors is an integer number (1272440).
Almost surely, 223430078 is an apocalyptic number.
23430078 is an abundant number, since it is smaller than the sum of its proper divisors (37647042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23430078 is a wasteful number, since it uses less digits than its factorization.
23430078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9821 (or 9818 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 23430078 is about 4840.4625812003. The cubic root of 23430078 is about 286.1483492034.
The spelling of 23430078 in words is "twenty-three million, four hundred thirty thousand, seventy-eight".
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