Base | Representation |
---|---|
bin | 11110110011111… |
… | …11100001110101 |
3 | 200000100202000000 |
4 | 33121333201311 |
5 | 1012132101203 |
6 | 41351541513 |
7 | 6255655560 |
oct | 1731774165 |
9 | 600322000 |
10 | 258472053 |
11 | 12299a974 |
12 | 7268a899 |
13 | 4171a958 |
14 | 264834d7 |
15 | 17a594a3 |
hex | f67f875 |
258472053 has 28 divisors (see below), whose sum is σ = 442901088. Its totient is φ = 147695400.
The previous prime is 258472033. The next prime is 258472061. The reversal of 258472053 is 350274852.
258472053 is a `hidden beast` number, since 2 + 584 + 7 + 20 + 53 = 666.
It is not a de Polignac number, because 258472053 - 210 = 258471029 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 258471999 and 258472017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258472033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20223 + ... + 30428.
It is an arithmetic number, because the mean of its divisors is an integer number (15817896).
Almost surely, 2258472053 is an apocalyptic number.
It is an amenable number.
258472053 is a deficient number, since it is larger than the sum of its proper divisors (184429035).
258472053 is an frugal number, since it uses more digits than its factorization.
258472053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50676 (or 50661 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 258472053 is about 16077.0660569645. The cubic root of 258472053 is about 636.9976998324.
The spelling of 258472053 in words is "two hundred fifty-eight million, four hundred seventy-two thousand, fifty-three".
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