Base | Representation |
---|---|
bin | 1010111001011… |
… | …11101010110010 |
3 | 20101000200112101 |
4 | 11130233222302 |
5 | 141400440422 |
6 | 13023251014 |
7 | 2160032404 |
oct | 534575262 |
9 | 211020471 |
10 | 91421362 |
11 | 4767224a |
12 | 26749a6a |
13 | 15c2bba6 |
14 | c1dab74 |
15 | 805cc27 |
hex | 572fab2 |
91421362 has 12 divisors (see below), whose sum is σ = 138534138. Its totient is φ = 45248000.
The previous prime is 91421347. The next prime is 91421381. The reversal of 91421362 is 26312419.
It can be written as a sum of positive squares in 3 ways, for example, as 80982001 + 10439361 = 8999^2 + 3231^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 91421362.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18162 + ... + 22642.
Almost surely, 291421362 is an apocalyptic number.
91421362 is a deficient number, since it is larger than the sum of its proper divisors (47112776).
91421362 is a wasteful number, since it uses less digits than its factorization.
91421362 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4685 (or 4584 counting only the distinct ones).
The product of its digits is 2592, while the sum is 28.
The square root of 91421362 is about 9561.4518771994. The cubic root of 91421362 is about 450.4873107775.
The spelling of 91421362 in words is "ninety-one million, four hundred twenty-one thousand, three hundred sixty-two".
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