Base | Representation |
---|---|
bin | 1000001010100… |
… | …11000000001000 |
3 | 11202220000210100 |
4 | 10011103000020 |
5 | 120013404131 |
6 | 10444045400 |
7 | 1461134631 |
oct | 405230010 |
9 | 152800710 |
10 | 68497416 |
11 | 35735139 |
12 | 1ab33860 |
13 | 11263920 |
14 | 9150888 |
15 | 60307e6 |
hex | 4153008 |
68497416 has 48 divisors (see below), whose sum is σ = 199786860. Its totient is φ = 21075840.
The previous prime is 68497399. The next prime is 68497421. The reversal of 68497416 is 61479486.
It can be written as a sum of positive squares in 2 ways, for example, as 61685316 + 6812100 = 7854^2 + 2610^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35655 + ... + 37526.
Almost surely, 268497416 is an apocalyptic number.
It is an amenable number.
68497416 is an abundant number, since it is smaller than the sum of its proper divisors (131289444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68497416 is a wasteful number, since it uses less digits than its factorization.
68497416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73206 (or 73199 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 68497416 is about 8276.3165720023. The cubic root of 68497416 is about 409.1583288749.
The spelling of 68497416 in words is "sixty-eight million, four hundred ninety-seven thousand, four hundred sixteen".
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