Base | Representation |
---|---|
bin | 11110110000011… |
… | …10110111111100 |
3 | 122222111022000220 |
4 | 33120032313330 |
5 | 1012022314440 |
6 | 41334021340 |
7 | 6252024360 |
oct | 1730166774 |
9 | 588438026 |
10 | 258010620 |
11 | 12270521a |
12 | 724a7850 |
13 | 415b890a |
14 | 263a32a0 |
15 | 179b78d0 |
hex | f60edfc |
258010620 has 96 divisors (see below), whose sum is σ = 847999488. Its totient is φ = 57376512.
The previous prime is 258010609. The next prime is 258010667. The reversal of 258010620 is 26010852.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7239 + ... + 23841.
It is an arithmetic number, because the mean of its divisors is an integer number (8833328).
Almost surely, 2258010620 is an apocalyptic number.
258010620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 258010620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423999744).
258010620 is an abundant number, since it is smaller than the sum of its proper divisors (589988868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258010620 is a wasteful number, since it uses less digits than its factorization.
258010620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16659 (or 16657 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 258010620 is about 16062.7089869673. The cubic root of 258010620 is about 636.6184107988.
The spelling of 258010620 in words is "two hundred fifty-eight million, ten thousand, six hundred twenty".
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