Base | Representation |
---|---|
bin | 11110110001010… |
… | …10101001100101 |
3 | 122222201002002120 |
4 | 33120222221211 |
5 | 1012034440024 |
6 | 41340300153 |
7 | 6253010145 |
oct | 1730525145 |
9 | 588632076 |
10 | 258124389 |
11 | 122782746 |
12 | 72541659 |
13 | 41628633 |
14 | 263d2925 |
15 | 179db479 |
hex | f62aa65 |
258124389 has 16 divisors (see below), whose sum is σ = 357352320. Its totient is φ = 165533760.
The previous prime is 258124381. The next prime is 258124403. The reversal of 258124389 is 983421852.
It is not a de Polignac number, because 258124389 - 23 = 258124381 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 258124389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258124381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18744 + ... + 29454.
It is an arithmetic number, because the mean of its divisors is an integer number (22334520).
Almost surely, 2258124389 is an apocalyptic number.
258124389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
258124389 is a deficient number, since it is larger than the sum of its proper divisors (99227931).
258124389 is a wasteful number, since it uses less digits than its factorization.
258124389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11020.
The product of its digits is 138240, while the sum is 42.
The square root of 258124389 is about 16066.2499980549. The cubic root of 258124389 is about 636.7119687010.
The spelling of 258124389 in words is "two hundred fifty-eight million, one hundred twenty-four thousand, three hundred eighty-nine".
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