Base | Representation |
---|---|
bin | 1111111010101001010001 |
3 | 21211222102012 |
4 | 33322221101 |
5 | 2032003434 |
6 | 225232305 |
7 | 50315225 |
oct | 17725121 |
9 | 7758365 |
10 | 4172369 |
11 | 239a843 |
12 | 1492695 |
13 | b31176 |
14 | 7a8785 |
15 | 5763ce |
hex | 3faa51 |
4172369 has 2 divisors, whose sum is σ = 4172370. Its totient is φ = 4172368.
The previous prime is 4172359. The next prime is 4172417. The reversal of 4172369 is 9632714.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3385600 + 786769 = 1840^2 + 887^2 .
It is a cyclic number.
It is not a de Polignac number, because 4172369 - 24 = 4172353 is a prime.
It is a super-2 number, since 2×41723692 = 34817326144322, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (4172309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086184 + 2086185.
It is an arithmetic number, because the mean of its divisors is an integer number (2086185).
Almost surely, 24172369 is an apocalyptic number.
It is an amenable number.
4172369 is a deficient number, since it is larger than the sum of its proper divisors (1).
4172369 is an equidigital number, since it uses as much as digits as its factorization.
4172369 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9072, while the sum is 32.
The square root of 4172369 is about 2042.6377554525. The cubic root of 4172369 is about 160.9882712030.
The spelling of 4172369 in words is "four million, one hundred seventy-two thousand, three hundred sixty-nine".
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