Base | Representation |
---|---|
bin | 1011000110001… |
… | …11010100010001 |
3 | 20111011111222010 |
4 | 11203013110101 |
5 | 142312403324 |
6 | 13123133133 |
7 | 2210155410 |
oct | 543072421 |
9 | 214144863 |
10 | 93091089 |
11 | 48602793 |
12 | 272141a9 |
13 | 16394bb0 |
14 | c513477 |
15 | 828c829 |
hex | 58c7511 |
93091089 has 64 divisors (see below), whose sum is σ = 163215360. Its totient is φ = 45826560.
The previous prime is 93091021. The next prime is 93091129. The reversal of 93091089 is 98019039.
It is not a de Polignac number, because 93091089 - 27 = 93090961 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (93091289) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679429 + ... + 679565.
It is an arithmetic number, because the mean of its divisors is an integer number (2550240).
Almost surely, 293091089 is an apocalyptic number.
It is an amenable number.
93091089 is a deficient number, since it is larger than the sum of its proper divisors (70124271).
93091089 is a wasteful number, since it uses less digits than its factorization.
93091089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310.
The product of its (nonzero) digits is 17496, while the sum is 39.
The square root of 93091089 is about 9648.3723497800. The cubic root of 93091089 is about 453.2133599164.
The spelling of 93091089 in words is "ninety-three million, ninety-one thousand, eighty-nine".
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