Base | Representation |
---|---|
bin | 1000000000111… |
… | …00011010100001 |
3 | 11200111101201001 |
4 | 10000130122201 |
5 | 114202201444 |
6 | 10400512001 |
7 | 1444255660 |
oct | 400343241 |
9 | 150441631 |
10 | 67225249 |
11 | 34a46363 |
12 | 1a61b601 |
13 | 10c09870 |
14 | 8cdcdd7 |
15 | 5d7d8d4 |
hex | 401c6a1 |
67225249 has 32 divisors (see below), whose sum is σ = 88704000. Its totient is φ = 49460544.
The previous prime is 67225247. The next prime is 67225271. The reversal of 67225249 is 94252276.
It is a happy number.
It is not a de Polignac number, because 67225249 - 21 = 67225247 is a prime.
It is a super-2 number, since 2×672252492 = 9038468206224002, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (67225247) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101682 + ... + 102340.
It is an arithmetic number, because the mean of its divisors is an integer number (2772000).
Almost surely, 267225249 is an apocalyptic number.
It is an amenable number.
67225249 is a deficient number, since it is larger than the sum of its proper divisors (21478751).
67225249 is a wasteful number, since it uses less digits than its factorization.
67225249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 757.
The product of its digits is 60480, while the sum is 37.
The square root of 67225249 is about 8199.1004994450. The cubic root of 67225249 is about 406.6094549842.
It can be divided in two parts, 672 and 25249, that added together give a square (25921 = 1612).
The spelling of 67225249 in words is "sixty-seven million, two hundred twenty-five thousand, two hundred forty-nine".
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