Base | Representation |
---|---|
bin | 1000000100011… |
… | …11010110011001 |
3 | 11201101022111012 |
4 | 10002033112121 |
5 | 114312233100 |
6 | 10414543305 |
7 | 1451256335 |
oct | 402172631 |
9 | 151338435 |
10 | 67696025 |
11 | 35238031 |
12 | 1a807b35 |
13 | 11042c27 |
14 | 8dc27c5 |
15 | 5e23135 |
hex | 408f599 |
67696025 has 6 divisors (see below), whose sum is σ = 83943102. Its totient is φ = 54156800.
The previous prime is 67696021. The next prime is 67696037. The reversal of 67696025 is 52069676.
It can be written as a sum of positive squares in 3 ways, for example, as 259081 + 67436944 = 509^2 + 8212^2 .
It is not a de Polignac number, because 67696025 - 22 = 67696021 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67696021) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1353896 + ... + 1353945.
It is an arithmetic number, because the mean of its divisors is an integer number (13990517).
Almost surely, 267696025 is an apocalyptic number.
It is an amenable number.
67696025 is a deficient number, since it is larger than the sum of its proper divisors (16247077).
67696025 is a wasteful number, since it uses less digits than its factorization.
67696025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2707851 (or 2707846 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 41.
The square root of 67696025 is about 8227.7594155396. The cubic root of 67696025 is about 407.5564050543.
The spelling of 67696025 in words is "sixty-seven million, six hundred ninety-six thousand, twenty-five".
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