Base | Representation |
---|---|
bin | 10110110010000… |
… | …111111111001101 |
3 | 222122020201212202 |
4 | 112302013333031 |
5 | 1240323114134 |
6 | 101532411245 |
7 | 12320655311 |
oct | 2662077715 |
9 | 878221782 |
10 | 382238669 |
11 | 18684462a |
12 | a8016b25 |
13 | 61263137 |
14 | 38a9db41 |
15 | 23855d7e |
hex | 16c87fcd |
382238669 has 2 divisors, whose sum is σ = 382238670. Its totient is φ = 382238668.
The previous prime is 382238663. The next prime is 382238687. The reversal of 382238669 is 966832283.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 207734569 + 174504100 = 14413^2 + 13210^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-382238669 is a prime.
It is a super-2 number, since 2×3822386692 = 292212800157783122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (382238663) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191119334 + 191119335.
It is an arithmetic number, because the mean of its divisors is an integer number (191119335).
Almost surely, 2382238669 is an apocalyptic number.
It is an amenable number.
382238669 is a deficient number, since it is larger than the sum of its proper divisors (1).
382238669 is an equidigital number, since it uses as much as digits as its factorization.
382238669 is an evil number, because the sum of its binary digits is even.
The product of its digits is 746496, while the sum is 47.
The square root of 382238669 is about 19550.9250164794. The cubic root of 382238669 is about 725.7352313110.
The spelling of 382238669 in words is "three hundred eighty-two million, two hundred thirty-eight thousand, six hundred sixty-nine".
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