Base | Representation |
---|---|
bin | 1000000111101… |
… | …10010011001000 |
3 | 11202011201220221 |
4 | 10003312103020 |
5 | 114414231304 |
6 | 10431555424 |
7 | 1454663614 |
oct | 403662310 |
9 | 152151827 |
10 | 68117704 |
11 | 354a5926 |
12 | 1a98bb74 |
13 | 1115cb45 |
14 | 9092344 |
15 | 5ea8054 |
hex | 40f64c8 |
68117704 has 16 divisors (see below), whose sum is σ = 128087820. Its totient is φ = 33960960.
The previous prime is 68117701. The next prime is 68117713. The reversal of 68117704 is 40771186.
It can be written as a sum of positive squares in 2 ways, for example, as 66422500 + 1695204 = 8150^2 + 1302^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 68117704.
It is not an unprimeable number, because it can be changed into a prime (68117701) 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, 9237 + ... + 14884.
Almost surely, 268117704 is an apocalyptic number.
It is an amenable number.
68117704 is a deficient number, since it is larger than the sum of its proper divisors (59970116).
68117704 is a wasteful number, since it uses less digits than its factorization.
68117704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24480 (or 24476 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 34.
The square root of 68117704 is about 8253.3450188393. The cubic root of 68117704 is about 408.4008779375.
The spelling of 68117704 in words is "sixty-eight million, one hundred seventeen thousand, seven hundred four".
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