Base | Representation |
---|---|
bin | 11101101001110… |
… | …00010000001100 |
3 | 122100001110010220 |
4 | 32310320100030 |
5 | 1002134233144 |
6 | 40403231340 |
7 | 6110165013 |
oct | 1664702014 |
9 | 570043126 |
10 | 248742924 |
11 | 118455271 |
12 | 6b378550 |
13 | 3c6c2481 |
14 | 2506da7a |
15 | 16c86919 |
hex | ed3840c |
248742924 has 12 divisors (see below), whose sum is σ = 580400184. Its totient is φ = 82914304.
The previous prime is 248742919. The next prime is 248742943. The reversal of 248742924 is 429247842.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10364277 + ... + 10364300.
It is an arithmetic number, because the mean of its divisors is an integer number (48366682).
Almost surely, 2248742924 is an apocalyptic number.
It is an amenable number.
248742924 is an abundant number, since it is smaller than the sum of its proper divisors (331657260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248742924 is a wasteful number, since it uses less digits than its factorization.
248742924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20728584 (or 20728582 counting only the distinct ones).
The product of its digits is 258048, while the sum is 42.
The square root of 248742924 is about 15771.5859697115. The cubic root of 248742924 is about 628.9028725532.
The spelling of 248742924 in words is "two hundred forty-eight million, seven hundred forty-two thousand, nine hundred twenty-four".
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