Base | Representation |
---|---|
bin | 10111101010000… |
… | …001101011000101 |
3 | 1000122211020122220 |
4 | 113222001223011 |
5 | 1303101032434 |
6 | 103214442553 |
7 | 12556351032 |
oct | 2752015305 |
9 | 1018736586 |
10 | 396892869 |
11 | 19404353a |
12 | b0b03459 |
13 | 642c4269 |
14 | 3a9d6389 |
15 | 24c9cd49 |
hex | 17a81ac5 |
396892869 has 16 divisors (see below), whose sum is σ = 548198400. Its totient is φ = 255116736.
The previous prime is 396892861. The next prime is 396892883. The reversal of 396892869 is 968298693.
It is not a de Polignac number, because 396892869 - 23 = 396892861 is a prime.
It is a super-2 number, since 2×3968928692 = 315047898926102322, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (396892861) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69372 + ... + 74874.
It is an arithmetic number, because the mean of its divisors is an integer number (34262400).
Almost surely, 2396892869 is an apocalyptic number.
It is an amenable number.
396892869 is a deficient number, since it is larger than the sum of its proper divisors (151305531).
396892869 is a wasteful number, since it uses less digits than its factorization.
396892869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6364.
The product of its digits is 10077696, while the sum is 60.
The square root of 396892869 is about 19922.1702883998. The cubic root of 396892869 is about 734.8935437469.
The spelling of 396892869 in words is "three hundred ninety-six million, eight hundred ninety-two thousand, eight hundred sixty-nine".
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