Base | Representation |
---|---|
bin | 10010010111111… |
… | …000010111000111 |
3 | 210111000201120201 |
4 | 102113320113013 |
5 | 1112403000210 |
6 | 50330511331 |
7 | 10432040131 |
oct | 2227702707 |
9 | 714021521 |
10 | 308250055 |
11 | 148aa9913 |
12 | 87295547 |
13 | 4bb28ca9 |
14 | 2cd20051 |
15 | 1c0dd53a |
hex | 125f85c7 |
308250055 has 8 divisors (see below), whose sum is σ = 370003392. Its totient is φ = 246531168.
The previous prime is 308250023. The next prime is 308250073. The reversal of 308250055 is 550052803.
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 308250055 - 25 = 308250023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19314 + ... + 31456.
It is an arithmetic number, because the mean of its divisors is an integer number (46250424).
Almost surely, 2308250055 is an apocalyptic number.
308250055 is a deficient number, since it is larger than the sum of its proper divisors (61753337).
308250055 is a wasteful number, since it uses less digits than its factorization.
308250055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17225.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 308250055 is about 17557.0514324017. The cubic root of 308250055 is about 675.5140519500.
The spelling of 308250055 in words is "three hundred eight million, two hundred fifty thousand, fifty-five".
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