Base | Representation |
---|---|
bin | 1010111010000… |
… | …11011000000101 |
3 | 20101011210021010 |
4 | 11131003120011 |
5 | 141411031320 |
6 | 13025112433 |
7 | 2160516633 |
oct | 535033005 |
9 | 211153233 |
10 | 91502085 |
11 | 47717964 |
12 | 26788719 |
13 | 15c5985c |
14 | c21c353 |
15 | 8076ae0 |
hex | 5743605 |
91502085 has 8 divisors (see below), whose sum is σ = 146403360. Its totient is φ = 48801104.
The previous prime is 91502083. The next prime is 91502123. The reversal of 91502085 is 58020519.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 91502085 - 21 = 91502083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91502083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050055 + ... + 3050084.
It is an arithmetic number, because the mean of its divisors is an integer number (18300420).
Almost surely, 291502085 is an apocalyptic number.
It is an amenable number.
91502085 is a deficient number, since it is larger than the sum of its proper divisors (54901275).
91502085 is a wasteful number, since it uses less digits than its factorization.
91502085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6100147.
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 91502085 is about 9565.6722189295. The cubic root of 91502085 is about 450.6198618158.
The spelling of 91502085 in words is "ninety-one million, five hundred two thousand, eighty-five".
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