Base | Representation |
---|---|
bin | 1000111000111… |
… | …01000110010001 |
3 | 12012022110011210 |
4 | 10130131012101 |
5 | 123042134311 |
6 | 11222130333 |
7 | 1563550440 |
oct | 434350621 |
9 | 165273153 |
10 | 74568081 |
11 | 39101115 |
12 | 20b809a9 |
13 | 125aab33 |
14 | 9c90d57 |
15 | 682e3a6 |
hex | 471d191 |
74568081 has 8 divisors (see below), whose sum is σ = 113627584. Its totient is φ = 42610320.
The previous prime is 74568049. The next prime is 74568097. The reversal of 74568081 is 18086547.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74568081 - 25 = 74568049 is a prime.
It is a super-2 number, since 2×745680812 = 11120797408045122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (74568881) 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, 1775410 + ... + 1775451.
It is an arithmetic number, because the mean of its divisors is an integer number (14203448).
Almost surely, 274568081 is an apocalyptic number.
It is an amenable number.
74568081 is a deficient number, since it is larger than the sum of its proper divisors (39059503).
74568081 is a wasteful number, since it uses less digits than its factorization.
74568081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3550871.
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 74568081 is about 8635.2811766612. The cubic root of 74568081 is about 420.9052300868.
The spelling of 74568081 in words is "seventy-four million, five hundred sixty-eight thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •