Base | Representation |
---|---|
bin | 101100100101… |
… | …1100111111110 |
3 | 1121222202011210 |
4 | 1121023213332 |
5 | 21441102210 |
6 | 2153025250 |
7 | 402466455 |
oct | 131134776 |
9 | 47882153 |
10 | 23378430 |
11 | 12218619 |
12 | 79b5226 |
13 | 4ac70ba |
14 | 3167b9c |
15 | 20bbe20 |
hex | 164b9fe |
23378430 has 32 divisors (see below), whose sum is σ = 56640384. Its totient is φ = 6175136.
The previous prime is 23378423. The next prime is 23378447. The reversal of 23378430 is 3487332.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432 + ... + 6851.
It is an arithmetic number, because the mean of its divisors is an integer number (1770012).
Almost surely, 223378430 is an apocalyptic number.
23378430 is an abundant number, since it is smaller than the sum of its proper divisors (33261954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23378430 is a wasteful number, since it uses less digits than its factorization.
23378430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7400.
The product of its (nonzero) digits is 12096, while the sum is 30.
The square root of 23378430 is about 4835.1246105969. The cubic root of 23378430 is about 285.9379378595.
The spelling of 23378430 in words is "twenty-three million, three hundred seventy-eight thousand, four hundred thirty".
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