Base | Representation |
---|---|
bin | 10000010110110100011001 |
3 | 22001211201021 |
4 | 100112310121 |
5 | 2044202034 |
6 | 231522441 |
7 | 51305533 |
oct | 20266431 |
9 | 8054637 |
10 | 4287769 |
11 | 2469512 |
12 | 1529421 |
13 | b71855 |
14 | 7d8853 |
15 | 59a6b4 |
hex | 416d19 |
4287769 has 2 divisors, whose sum is σ = 4287770. Its totient is φ = 4287768.
The previous prime is 4287743. The next prime is 4287781. The reversal of 4287769 is 9677824.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3655744 + 632025 = 1912^2 + 795^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4287769 is a prime.
It is a super-2 number, since 2×42877692 = 36769925994722, which contains 22 as substring.
It is a d-powerful number, because it can be written as 411 + 2 + 85 + 7 + 73 + 64 + 95 .
It is not a weakly prime, because it can be changed into another prime (4287719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143884 + 2143885.
It is an arithmetic number, because the mean of its divisors is an integer number (2143885).
Almost surely, 24287769 is an apocalyptic number.
It is an amenable number.
4287769 is a deficient number, since it is larger than the sum of its proper divisors (1).
4287769 is an equidigital number, since it uses as much as digits as its factorization.
4287769 is an evil number, because the sum of its binary digits is even.
The product of its digits is 169344, while the sum is 43.
The square root of 4287769 is about 2070.6928792073. The cubic root of 4287769 is about 162.4590066221.
The spelling of 4287769 in words is "four million, two hundred eighty-seven thousand, seven hundred sixty-nine".
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