Base | Representation |
---|---|
bin | 1000001010011… |
… | …10001110011010 |
3 | 11202212000221200 |
4 | 10011032032122 |
5 | 120012242400 |
6 | 10443415030 |
7 | 1461023610 |
oct | 405161632 |
9 | 152760850 |
10 | 68477850 |
11 | 35721471 |
12 | 1ab24476 |
13 | 11257a4c |
14 | 91476b0 |
15 | 6029b00 |
hex | 414e39a |
68477850 has 72 divisors (see below), whose sum is σ = 210269280. Its totient is φ = 15651360.
The previous prime is 68477839. The next prime is 68477863. The reversal of 68477850 is 5877486.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 68477796 and 68477805.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7720 + ... + 14019.
Almost surely, 268477850 is an apocalyptic number.
68477850 is an abundant number, since it is smaller than the sum of its proper divisors (141791430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68477850 is a wasteful number, since it uses less digits than its factorization.
68477850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21764 (or 21756 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 68477850 is about 8275.1344399955. The cubic root of 68477850 is about 409.1193670439.
The spelling of 68477850 in words is "sixty-eight million, four hundred seventy-seven thousand, eight hundred fifty".
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