Base | Representation |
---|---|
bin | 10111100011001… |
… | …111000110100101 |
3 | 1000112110210221222 |
4 | 113203033012211 |
5 | 1302122102434 |
6 | 103112350125 |
7 | 12535255364 |
oct | 2743170645 |
9 | 1015423858 |
10 | 395112869 |
11 | 193038168 |
12 | b03a5345 |
13 | 63b1ccc8 |
14 | 3a6917db |
15 | 24a4a72e |
hex | 178cf1a5 |
395112869 has 8 divisors (see below), whose sum is σ = 401780448. Its totient is φ = 388468080.
The previous prime is 395112863. The next prime is 395112877. The reversal of 395112869 is 968211593.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-395112869 is a prime.
It is a super-2 number, since 2×3951128692 = 312228358498822322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395112863) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31259 + ... + 42039.
It is an arithmetic number, because the mean of its divisors is an integer number (50222556).
Almost surely, 2395112869 is an apocalyptic number.
It is an amenable number.
395112869 is a deficient number, since it is larger than the sum of its proper divisors (6667579).
395112869 is a wasteful number, since it uses less digits than its factorization.
395112869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11395.
The product of its digits is 116640, while the sum is 44.
The square root of 395112869 is about 19877.4462393940. The cubic root of 395112869 is about 733.7932712288.
The spelling of 395112869 in words is "three hundred ninety-five million, one hundred twelve thousand, eight hundred sixty-nine".
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