Base | Representation |
---|---|
bin | 1000001001110… |
… | …10011110100111 |
3 | 11202200221000000 |
4 | 10010322132213 |
5 | 120002200332 |
6 | 10441552343 |
7 | 1460236032 |
oct | 404723647 |
9 | 152627000 |
10 | 68396967 |
11 | 35676721 |
12 | 1aaa56b3 |
13 | 11229ca2 |
14 | 9126019 |
15 | 6010b7c |
hex | 413a7a7 |
68396967 has 28 divisors (see below), whose sum is σ = 108600480. Its totient is φ = 42907968.
The previous prime is 68396959. The next prime is 68396971. The reversal of 68396967 is 76969386.
It is a happy number.
It is not a de Polignac number, because 68396967 - 23 = 68396959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68396947) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9634 + ... + 15152.
Almost surely, 268396967 is an apocalyptic number.
68396967 is a deficient number, since it is larger than the sum of its proper divisors (40203513).
68396967 is an equidigital number, since it uses as much as digits as its factorization.
68396967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5554 (or 5539 counting only the distinct ones).
The product of its digits is 2939328, while the sum is 54.
The square root of 68396967 is about 8270.2458850992. The cubic root of 68396967 is about 408.9582256978.
The spelling of 68396967 in words is "sixty-eight million, three hundred ninety-six thousand, nine hundred sixty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •