Base | Representation |
---|---|
bin | 1010110110111… |
… | …01010100111100 |
3 | 20100101112212220 |
4 | 11123131110330 |
5 | 141304142332 |
6 | 13012125340 |
7 | 2154126201 |
oct | 533352474 |
9 | 210345786 |
10 | 91084092 |
11 | 47461910 |
12 | 26606850 |
13 | 15b41518 |
14 | c14dca8 |
15 | 7ee2d2c |
hex | 56dd53c |
91084092 has 48 divisors (see below), whose sum is σ = 232533504. Its totient is φ = 27520000.
The previous prime is 91084069. The next prime is 91084093. The reversal of 91084092 is 29048019.
91084092 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (33).
91084092 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91084093) 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, 56092 + ... + 57692.
It is an arithmetic number, because the mean of its divisors is an integer number (4844448).
Almost surely, 291084092 is an apocalyptic number.
It is an amenable number.
91084092 is an abundant number, since it is smaller than the sum of its proper divisors (141449412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91084092 is a wasteful number, since it uses less digits than its factorization.
91084092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2050 (or 2048 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 91084092 is about 9543.7986148074. The cubic root of 91084092 is about 449.9326516493.
The spelling of 91084092 in words is "ninety-one million, eighty-four thousand, ninety-two".
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