Base | Representation |
---|---|
bin | 1010101111010… |
… | …00001111101011 |
3 | 20021111112212000 |
4 | 11113220033223 |
5 | 141030031420 |
6 | 12534422043 |
7 | 2142445410 |
oct | 527501753 |
9 | 207445760 |
10 | 90080235 |
11 | 46936683 |
12 | 26201923 |
13 | 1587c61b |
14 | bd6c107 |
15 | 7d95690 |
hex | 55e83eb |
90080235 has 128 divisors (see below), whose sum is σ = 200448000. Its totient is φ = 37449216.
The previous prime is 90080189. The next prime is 90080251. The reversal of 90080235 is 53208009.
It is not a de Polignac number, because 90080235 - 26 = 90080171 is a prime.
It is a super-2 number, since 2×900802352 = 16228897475310450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 90080199 and 90080208.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 520609 + ... + 520781.
It is an arithmetic number, because the mean of its divisors is an integer number (1566000).
Almost surely, 290080235 is an apocalyptic number.
90080235 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
90080235 is an abundant number, since it is smaller than the sum of its proper divisors (110367765).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90080235 is a wasteful number, since it uses less digits than its factorization.
90080235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242 (or 236 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 90080235 is about 9491.0607942421. The cubic root of 90080235 is about 448.2736075120.
The spelling of 90080235 in words is "ninety million, eighty thousand, two hundred thirty-five".
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