Base | Representation |
---|---|
bin | 11110110001000… |
… | …01000110111100 |
3 | 122222122002111010 |
4 | 33120201012330 |
5 | 1012032212213 |
6 | 41335355220 |
7 | 6252455205 |
oct | 1730410674 |
9 | 588562433 |
10 | 258085308 |
11 | 122756348 |
12 | 72522b10 |
13 | 41613900 |
14 | 263c25ac |
15 | 179ceac3 |
hex | f6211bc |
258085308 has 36 divisors (see below), whose sum is σ = 652090488. Its totient is φ = 79410240.
The previous prime is 258085291. The next prime is 258085309. The reversal of 258085308 is 803580852.
258085308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258085309) 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, 61603 + ... + 65658.
Almost surely, 2258085308 is an apocalyptic number.
It is an amenable number.
258085308 is an abundant number, since it is smaller than the sum of its proper divisors (394005180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258085308 is a wasteful number, since it uses less digits than its factorization.
258085308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127294 (or 127279 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 39.
The square root of 258085308 is about 16065.0337067807. The cubic root of 258085308 is about 636.6798335529.
The spelling of 258085308 in words is "two hundred fifty-eight million, eighty-five thousand, three hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •