Base | Representation |
---|---|
bin | 1000001001011… |
… | …01001111000101 |
3 | 11202121011121001 |
4 | 10010231033011 |
5 | 114443431400 |
6 | 10440453301 |
7 | 1456621633 |
oct | 404551705 |
9 | 152534531 |
10 | 68342725 |
11 | 356399a0 |
12 | 1aa7a231 |
13 | 1120b3a9 |
14 | 9110353 |
15 | 5eeea6a |
hex | 412d3c5 |
68342725 has 24 divisors (see below), whose sum is σ = 92904768. Its totient is φ = 49459200.
The previous prime is 68342723. The next prime is 68342731. The reversal of 68342725 is 52724386.
It is not a de Polignac number, because 68342725 - 21 = 68342723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68342723) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70192 + ... + 71158.
It is an arithmetic number, because the mean of its divisors is an integer number (3871032).
Almost surely, 268342725 is an apocalyptic number.
It is an amenable number.
68342725 is a deficient number, since it is larger than the sum of its proper divisors (24562043).
68342725 is a wasteful number, since it uses less digits than its factorization.
68342725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1245 (or 1240 counting only the distinct ones).
The product of its digits is 80640, while the sum is 37.
The square root of 68342725 is about 8266.9658884019. The cubic root of 68342725 is about 408.8500894279.
It can be divided in two parts, 6834 and 2725, that added together give a palindrome (9559).
The spelling of 68342725 in words is "sixty-eight million, three hundred forty-two thousand, seven hundred twenty-five".
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