Base | Representation |
---|---|
bin | 11101010011010… |
… | …00011010110000 |
3 | 122010111122122021 |
4 | 32221220122300 |
5 | 1000410410410 |
6 | 40220121224 |
7 | 6043134661 |
oct | 1651503260 |
9 | 563448567 |
10 | 245794480 |
11 | 116821038 |
12 | 6a396214 |
13 | 3bbcc429 |
14 | 24903368 |
15 | 168a2eda |
hex | ea686b0 |
245794480 has 20 divisors (see below), whose sum is σ = 571472352. Its totient is φ = 98317760.
The previous prime is 245794453. The next prime is 245794487. The reversal of 245794480 is 84497542.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (245794487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536136 + ... + 1536295.
Almost surely, 2245794480 is an apocalyptic number.
245794480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245794480 is an abundant number, since it is smaller than the sum of its proper divisors (325677872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245794480 is a wasteful number, since it uses less digits than its factorization.
245794480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3072444 (or 3072438 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 43.
The square root of 245794480 is about 15677.8340340750. The cubic root of 245794480 is about 626.4081147580.
The spelling of 245794480 in words is "two hundred forty-five million, seven hundred ninety-four thousand, four hundred eighty".
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