Base | Representation |
---|---|
bin | 1000000111011… |
… | …01011101000010 |
3 | 11202002220020002 |
4 | 10003231131002 |
5 | 114412101344 |
6 | 10431120002 |
7 | 1454453156 |
oct | 403553502 |
9 | 152086202 |
10 | 68081474 |
11 | 3548068a |
12 | 1a973002 |
13 | 111494c6 |
14 | 9083066 |
15 | 5e9c44e |
hex | 40ed742 |
68081474 has 24 divisors (see below), whose sum is σ = 106821504. Its totient is φ = 32522000.
The previous prime is 68081467. The next prime is 68081477. The reversal of 68081474 is 47418086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68081477) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674024 + ... + 674124.
It is an arithmetic number, because the mean of its divisors is an integer number (4450896).
Almost surely, 268081474 is an apocalyptic number.
68081474 is a deficient number, since it is larger than the sum of its proper divisors (38740030).
68081474 is a wasteful number, since it uses less digits than its factorization.
68081474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 221 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 38.
The square root of 68081474 is about 8251.1498592620. The cubic root of 68081474 is about 408.3284592319.
The spelling of 68081474 in words is "sixty-eight million, eighty-one thousand, four hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •