Base | Representation |
---|---|
bin | 1010110110101… |
… | …01110111011110 |
3 | 20100022222222010 |
4 | 11123111313132 |
5 | 141302203114 |
6 | 13011332050 |
7 | 2153641125 |
oct | 533256736 |
9 | 210288863 |
10 | 91053534 |
11 | 47440960 |
12 | 265b1026 |
13 | 15b30640 |
14 | c142abc |
15 | 7ed8c59 |
hex | 56d5dde |
91053534 has 32 divisors (see below), whose sum is σ = 213945984. Its totient is φ = 25469280.
The previous prime is 91053517. The next prime is 91053569. The reversal of 91053534 is 43535019.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52204 + ... + 53919.
It is an arithmetic number, because the mean of its divisors is an integer number (6685812).
Almost surely, 291053534 is an apocalyptic number.
91053534 is an abundant number, since it is smaller than the sum of its proper divisors (122892450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91053534 is a wasteful number, since it uses less digits than its factorization.
91053534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106152.
The product of its (nonzero) digits is 8100, while the sum is 30.
The square root of 91053534 is about 9542.1975456391. The cubic root of 91053534 is about 449.8823297270.
The spelling of 91053534 in words is "ninety-one million, fifty-three thousand, five hundred thirty-four".
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