Base | Representation |
---|---|
bin | 11110110100000… |
… | …00000110001100 |
3 | 200000100212012012 |
4 | 33122000012030 |
5 | 1012132140010 |
6 | 41352000352 |
7 | 6255665423 |
oct | 1732000614 |
9 | 600325165 |
10 | 258474380 |
11 | 1229a169a |
12 | 726900b8 |
13 | 4171ba28 |
14 | 264842ba |
15 | 17a5a005 |
hex | f68018c |
258474380 has 48 divisors (see below), whose sum is σ = 551276544. Its totient is φ = 101787840.
The previous prime is 258474353. The next prime is 258474407. The reversal of 258474380 is 83474852.
It is an interprime number because it is at equal distance from previous prime (258474353) and next prime (258474407).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558029 + ... + 558491.
It is an arithmetic number, because the mean of its divisors is an integer number (11484928).
Almost surely, 2258474380 is an apocalyptic number.
258474380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
258474380 is an abundant number, since it is smaller than the sum of its proper divisors (292802164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258474380 is a wasteful number, since it uses less digits than its factorization.
258474380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 846 (or 844 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 41.
The square root of 258474380 is about 16077.1384269714. The cubic root of 258474380 is about 636.9996114371. Note that the first 3 decimals are identical.
The spelling of 258474380 in words is "two hundred fifty-eight million, four hundred seventy-four thousand, three hundred eighty".
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