Base | Representation |
---|---|
bin | 11110110001000… |
… | …11001100100001 |
3 | 122222122112012202 |
4 | 33120203030201 |
5 | 1012033000412 |
6 | 41335502545 |
7 | 6252522140 |
oct | 1730431441 |
9 | 588575182 |
10 | 258093857 |
11 | 12276180a |
12 | 72527a55 |
13 | 41617778 |
14 | 263c5757 |
15 | 179d23c2 |
hex | f623321 |
258093857 has 8 divisors (see below), whose sum is σ = 295108416. Its totient is φ = 221115312.
The previous prime is 258093841. The next prime is 258093877. The reversal of 258093857 is 758390852.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 258093857 - 24 = 258093841 is a prime.
It is a super-2 number, since 2×2580938572 = 133224878042272898, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (258093877) 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 7 ways as a sum of consecutive naturals, for example, 8678 + ... + 24320.
It is an arithmetic number, because the mean of its divisors is an integer number (36888552).
Almost surely, 2258093857 is an apocalyptic number.
It is an amenable number.
258093857 is a deficient number, since it is larger than the sum of its proper divisors (37014559).
258093857 is a wasteful number, since it uses less digits than its factorization.
258093857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18007.
The product of its (nonzero) digits is 604800, while the sum is 47.
The square root of 258093857 is about 16065.2997793381. The cubic root of 258093857 is about 636.6868634194.
The spelling of 258093857 in words is "two hundred fifty-eight million, ninety-three thousand, eight hundred fifty-seven".
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