Base | Representation |
---|---|
bin | 1000001100011… |
… | …01000111011010 |
3 | 11210100010022102 |
4 | 10012031013122 |
5 | 120044013300 |
6 | 10453123402 |
7 | 1463145620 |
oct | 406150732 |
9 | 153303272 |
10 | 68735450 |
11 | 35887a63 |
12 | 1b029562 |
13 | 11318084 |
14 | 91b3510 |
15 | 607b0d5 |
hex | 418d1da |
68735450 has 24 divisors (see below), whose sum is σ = 146112672. Its totient is φ = 23566320.
The previous prime is 68735441. The next prime is 68735489. The reversal of 68735450 is 5453786.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97844 + ... + 98543.
It is an arithmetic number, because the mean of its divisors is an integer number (6088028).
Almost surely, 268735450 is an apocalyptic number.
68735450 is an abundant number, since it is smaller than the sum of its proper divisors (77377222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68735450 is a wasteful number, since it uses less digits than its factorization.
68735450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196406 (or 196401 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 38.
The square root of 68735450 is about 8290.6845314485. The cubic root of 68735450 is about 409.6317335656.
The spelling of 68735450 in words is "sixty-eight million, seven hundred thirty-five thousand, four hundred fifty".
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