Base | Representation |
---|---|
bin | 1010101111010… |
… | …11110110110100 |
3 | 20021112022010220 |
4 | 11113223312310 |
5 | 141031020103 |
6 | 12535014340 |
7 | 2142536502 |
oct | 527536664 |
9 | 207468126 |
10 | 90095028 |
11 | 46946801 |
12 | 2620a3b0 |
13 | 1588628a |
14 | bd73672 |
15 | 7d99c53 |
hex | 55ebdb4 |
90095028 has 12 divisors (see below), whose sum is σ = 210221760. Its totient is φ = 30031672.
The previous prime is 90095011. The next prime is 90095029. The reversal of 90095028 is 82059009.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×900950282 = 16234228140641568, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 90095028.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90095029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753948 + ... + 3753971.
It is an arithmetic number, because the mean of its divisors is an integer number (17518480).
Almost surely, 290095028 is an apocalyptic number.
It is an amenable number.
90095028 is an abundant number, since it is smaller than the sum of its proper divisors (120126732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90095028 is a wasteful number, since it uses less digits than its factorization.
90095028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7507926 (or 7507924 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 90095028 is about 9491.8400745061. The cubic root of 90095028 is about 448.2981447056.
The spelling of 90095028 in words is "ninety million, ninety-five thousand, twenty-eight".
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