Base | Representation |
---|---|
bin | 1000110100110… |
… | …01110000001011 |
3 | 12011022010012020 |
4 | 10122121300023 |
5 | 122422430331 |
6 | 11202415523 |
7 | 1556150112 |
oct | 432316013 |
9 | 164263166 |
10 | 74030091 |
11 | 388739a3 |
12 | 209615a3 |
13 | 1244ccb5 |
14 | 9b90c79 |
15 | 6774c96 |
hex | 4699c0b |
74030091 has 8 divisors (see below), whose sum is σ = 98747280. Its totient is φ = 49333152.
The previous prime is 74030059. The next prime is 74030093. The reversal of 74030091 is 19003047.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74030091 - 25 = 74030059 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74030093) 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, 9265 + ... + 15293.
It is an arithmetic number, because the mean of its divisors is an integer number (12343410).
Almost surely, 274030091 is an apocalyptic number.
74030091 is a deficient number, since it is larger than the sum of its proper divisors (24717189).
74030091 is a wasteful number, since it uses less digits than its factorization.
74030091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10125.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 74030091 is about 8604.0740931259. The cubic root of 74030091 is about 419.8905440396.
The spelling of 74030091 in words is "seventy-four million, thirty thousand, ninety-one".
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