Base | Representation |
---|---|
bin | 1010110110111… |
… | …11110110000000 |
3 | 20100102002000200 |
4 | 11123133312000 |
5 | 141310010100 |
6 | 13012245200 |
7 | 2154201225 |
oct | 533376600 |
9 | 210362020 |
10 | 91094400 |
11 | 47469631 |
12 | 26610800 |
13 | 15b46117 |
14 | c15394c |
15 | 7ee5e00 |
hex | 56dfd80 |
91094400 has 144 divisors (see below), whose sum is σ = 325148460. Its totient is φ = 24284160.
The previous prime is 91094389. The next prime is 91094459. The reversal of 91094400 is 449019.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×910944002 = 16596379422720000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27219 + ... + 30381.
Almost surely, 291094400 is an apocalyptic number.
91094400 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 91094400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162574230).
91094400 is an abundant number, since it is smaller than the sum of its proper divisors (234054060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91094400 is a wasteful number, since it uses less digits than its factorization.
91094400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3193 (or 3173 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 91094400 is about 9544.3386360711. The cubic root of 91094400 is about 449.9496239904.
The spelling of 91094400 in words is "ninety-one million, ninety-four thousand, four hundred".
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