Base | Representation |
---|---|
bin | 11110110101100… |
… | …10010011010011 |
3 | 200000202022021110 |
4 | 33122302103103 |
5 | 1012210230034 |
6 | 41400224403 |
7 | 6260513103 |
oct | 1732622323 |
9 | 600668243 |
10 | 258680019 |
11 | 123022144 |
12 | 7276b103 |
13 | 41791500 |
14 | 264d9203 |
15 | 17a9ade9 |
hex | f6b24d3 |
258680019 has 12 divisors (see below), whose sum is σ = 373479576. Its totient is φ = 159187392.
The previous prime is 258679997. The next prime is 258680021. The reversal of 258680019 is 910086852.
It is not a de Polignac number, because 258680019 - 219 = 258155731 is a prime.
It is a super-2 number, since 2×2586800192 = 133830704459680722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (258680419) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254602 + ... + 255615.
It is an arithmetic number, because the mean of its divisors is an integer number (31123298).
Almost surely, 2258680019 is an apocalyptic number.
258680019 is a deficient number, since it is larger than the sum of its proper divisors (114799557).
258680019 is a wasteful number, since it uses less digits than its factorization.
258680019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510246 (or 510233 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 258680019 is about 16083.5325410806. The cubic root of 258680019 is about 637.1684963119.
The spelling of 258680019 in words is "two hundred fifty-eight million, six hundred eighty thousand, nineteen".
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