Base | Representation |
---|---|
bin | 1000111011100… |
… | …01101110101011 |
3 | 12012222001200200 |
4 | 10131301232223 |
5 | 123134232411 |
6 | 11233403243 |
7 | 1566523203 |
oct | 435615653 |
9 | 165861620 |
10 | 74914731 |
11 | 39318601 |
12 | 21109523 |
13 | 1269c858 |
14 | 9d41403 |
15 | 689be56 |
hex | 4771bab |
74914731 has 6 divisors (see below), whose sum is σ = 108210180. Its totient is φ = 49943148.
The previous prime is 74914711. The next prime is 74914747. The reversal of 74914731 is 13741947.
It is not a de Polignac number, because 74914731 - 29 = 74914219 is a prime.
It is a super-2 number, since 2×749147312 = 11224433841604722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (74914711) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4161921 + ... + 4161938.
It is an arithmetic number, because the mean of its divisors is an integer number (18035030).
Almost surely, 274914731 is an apocalyptic number.
74914731 is a deficient number, since it is larger than the sum of its proper divisors (33295449).
74914731 is a wasteful number, since it uses less digits than its factorization.
74914731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8323865 (or 8323862 counting only the distinct ones).
The product of its digits is 21168, while the sum is 36.
The square root of 74914731 is about 8655.3296297715. The cubic root of 74914731 is about 421.5564528011.
The spelling of 74914731 in words is "seventy-four million, nine hundred fourteen thousand, seven hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.124 sec. • engine limits •