Base | Representation |
---|---|
bin | 1000110101010… |
… | …11110111011001 |
3 | 12011102212222000 |
4 | 10122223313121 |
5 | 122432314111 |
6 | 11204151213 |
7 | 1556606316 |
oct | 432536731 |
9 | 164385860 |
10 | 74104281 |
11 | 38914709 |
12 | 20998509 |
13 | 124779b4 |
14 | 9badd0d |
15 | 678bc56 |
hex | 46abdd9 |
74104281 has 16 divisors (see below), whose sum is σ = 109950720. Its totient is φ = 49327920.
The previous prime is 74104267. The next prime is 74104297. The reversal of 74104281 is 18240147.
It is not a de Polignac number, because 74104281 - 25 = 74104249 is a prime.
It is a super-2 number, since 2×741042812 = 10982888925053922, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (74104981) 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, 20496 + ... + 23838.
It is an arithmetic number, because the mean of its divisors is an integer number (6871920).
Almost surely, 274104281 is an apocalyptic number.
It is an amenable number.
74104281 is a deficient number, since it is larger than the sum of its proper divisors (35846439).
74104281 is a wasteful number, since it uses less digits than its factorization.
74104281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4173 (or 4167 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 74104281 is about 8608.3843431854. The cubic root of 74104281 is about 420.0307630528.
The spelling of 74104281 in words is "seventy-four million, one hundred four thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •