Base | Representation |
---|---|
bin | 1000000111001… |
… | …11101001011101 |
3 | 11202001200121022 |
4 | 10003213221131 |
5 | 114410321233 |
6 | 10430413525 |
7 | 1454323634 |
oct | 403475135 |
9 | 152050538 |
10 | 68057693 |
11 | 35464830 |
12 | 1a9612a5 |
13 | 1113b732 |
14 | 907851b |
15 | 5e95398 |
hex | 40e7a5d |
68057693 has 16 divisors (see below), whose sum is σ = 77276160. Its totient is φ = 59371200.
The previous prime is 68057657. The next prime is 68057699. The reversal of 68057693 is 39675086.
It is a cyclic number.
It is not a de Polignac number, because 68057693 - 212 = 68053597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68057699) 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, 60371 + ... + 61487.
It is an arithmetic number, because the mean of its divisors is an integer number (4829760).
Almost surely, 268057693 is an apocalyptic number.
It is an amenable number.
68057693 is a deficient number, since it is larger than the sum of its proper divisors (9218467).
68057693 is a wasteful number, since it uses less digits than its factorization.
68057693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1348.
The product of its (nonzero) digits is 272160, while the sum is 44.
The square root of 68057693 is about 8249.7086615225. The cubic root of 68057693 is about 408.2809103694.
The spelling of 68057693 in words is "sixty-eight million, fifty-seven thousand, six hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •