Base | Representation |
---|---|
bin | 1010110000111… |
… | …01111101011111 |
3 | 20021220201122220 |
4 | 11120131331133 |
5 | 141104102010 |
6 | 12543240423 |
7 | 2144353023 |
oct | 530357537 |
9 | 207821586 |
10 | 90300255 |
11 | 46a76a11 |
12 | 262a9113 |
13 | 15928806 |
14 | bdc8383 |
15 | 7dda970 |
hex | 561df5f |
90300255 has 32 divisors (see below), whose sum is σ = 154387200. Its totient is φ = 44934912.
The previous prime is 90300253. The next prime is 90300257. The reversal of 90300255 is 55200309.
It is an interprime number because it is at equal distance from previous prime (90300253) and next prime (90300257).
It is not a de Polignac number, because 90300255 - 21 = 90300253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90300251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16731 + ... + 21459.
It is an arithmetic number, because the mean of its divisors is an integer number (4824600).
Almost surely, 290300255 is an apocalyptic number.
90300255 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
90300255 is a deficient number, since it is larger than the sum of its proper divisors (64086945).
90300255 is a wasteful number, since it uses less digits than its factorization.
90300255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4823.
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 90300255 is about 9502.6446318906. The cubic root of 90300255 is about 448.6382785843.
The spelling of 90300255 in words is "ninety million, three hundred thousand, two hundred fifty-five".
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