Base | Representation |
---|---|
bin | 1000001011011… |
… | …01011110110010 |
3 | 11210002112120022 |
4 | 10011231132302 |
5 | 120030341444 |
6 | 10450243442 |
7 | 1462066061 |
oct | 405553662 |
9 | 153075508 |
10 | 68605874 |
11 | 357a9677 |
12 | 1ab86582 |
13 | 112a10bc |
14 | 917c1d8 |
15 | 60529ee |
hex | 416d7b2 |
68605874 has 8 divisors (see below), whose sum is σ = 105418908. Its totient is φ = 33466240.
The previous prime is 68605871. The next prime is 68605913. The reversal of 68605874 is 47850686.
It can be written as a sum of positive squares in 2 ways, for example, as 50055625 + 18550249 = 7075^2 + 4307^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (68605871) 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, 418247 + ... + 418410.
Almost surely, 268605874 is an apocalyptic number.
68605874 is a deficient number, since it is larger than the sum of its proper divisors (36813034).
68605874 is a wasteful number, since it uses less digits than its factorization.
68605874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836700.
The product of its (nonzero) digits is 322560, while the sum is 44.
The square root of 68605874 is about 8282.8662913269. The cubic root of 68605874 is about 409.3741671525.
The spelling of 68605874 in words is "sixty-eight million, six hundred five thousand, eight hundred seventy-four".
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