Base | Representation |
---|---|
bin | 1010111100101… |
… | …00011011110101 |
3 | 20101210122201000 |
4 | 11132110123311 |
5 | 142002142401 |
6 | 13040153513 |
7 | 2163401622 |
oct | 536243365 |
9 | 211718630 |
10 | 91834101 |
11 | 47924357 |
12 | 26908899 |
13 | 16044a08 |
14 | c2a7349 |
15 | 80e0186 |
hex | 57946f5 |
91834101 has 16 divisors (see below), whose sum is σ = 141966720. Its totient is φ = 58560480.
The previous prime is 91834091. The next prime is 91834117. The reversal of 91834101 is 10143819.
It is not a de Polignac number, because 91834101 - 25 = 91834069 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91834181) 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, 73320 + ... + 74561.
It is an arithmetic number, because the mean of its divisors is an integer number (8872920).
Almost surely, 291834101 is an apocalyptic number.
It is an amenable number.
91834101 is a deficient number, since it is larger than the sum of its proper divisors (50132619).
91834101 is a wasteful number, since it uses less digits than its factorization.
91834101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147913 (or 147907 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 91834101 is about 9583.0110612479. The cubic root of 91834101 is about 451.1642297780.
The spelling of 91834101 in words is "ninety-one million, eight hundred thirty-four thousand, one hundred one".
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