Base | Representation |
---|---|
bin | 1000001011101… |
… | …01010000000000 |
3 | 11210011011012220 |
4 | 10011311100000 |
5 | 120032401241 |
6 | 10451051040 |
7 | 1462260621 |
oct | 405652000 |
9 | 153134186 |
10 | 68637696 |
11 | 35820576 |
12 | 1aba0a80 |
13 | 112b272a |
14 | 9189a48 |
15 | 605c166 |
hex | 4175400 |
68637696 has 44 divisors (see below), whose sum is σ = 182952672. Its totient is φ = 22878208.
The previous prime is 68637691. The next prime is 68637713. The reversal of 68637696 is 69673686.
It is a super-2 number, since 2×686376962 = 9422266624376832, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68637691) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8100 + ... + 14243.
Almost surely, 268637696 is an apocalyptic number.
It is an amenable number.
68637696 is an abundant number, since it is smaller than the sum of its proper divisors (114314976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68637696 is a wasteful number, since it uses less digits than its factorization.
68637696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22366 (or 22348 counting only the distinct ones).
The product of its digits is 1959552, while the sum is 51.
The square root of 68637696 is about 8284.7870220061. The cubic root of 68637696 is about 409.4374517779.
The spelling of 68637696 in words is "sixty-eight million, six hundred thirty-seven thousand, six hundred ninety-six".
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