Base | Representation |
---|---|
bin | 1000001100111… |
… | …00110100110000 |
3 | 11210110101120110 |
4 | 10012130310300 |
5 | 120103043132 |
6 | 10454341320 |
7 | 1463534325 |
oct | 406346460 |
9 | 153411513 |
10 | 68799792 |
11 | 35921336 |
12 | 1b05a840 |
13 | 1133b449 |
14 | 91ccb4c |
15 | 60901cc |
hex | 419cd30 |
68799792 has 20 divisors (see below), whose sum is σ = 177732920. Its totient is φ = 22933248.
The previous prime is 68799791. The next prime is 68799793. The reversal of 68799792 is 29799786.
It is an interprime number because it is at equal distance from previous prime (68799791) and next prime (68799793).
It is a super-2 number, since 2×687997922 = 9466822758486528, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68799791) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716617 + ... + 716712.
It is an arithmetic number, because the mean of its divisors is an integer number (8886646).
Almost surely, 268799792 is an apocalyptic number.
It is an amenable number.
68799792 is an abundant number, since it is smaller than the sum of its proper divisors (108933128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68799792 is a wasteful number, since it uses less digits than its factorization.
68799792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1433340 (or 1433334 counting only the distinct ones).
The product of its digits is 3429216, while the sum is 57.
The square root of 68799792 is about 8294.5640030082. The cubic root of 68799792 is about 409.7595099669.
The spelling of 68799792 in words is "sixty-eight million, seven hundred ninety-nine thousand, seven hundred ninety-two".
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