Base | Representation |
---|---|
bin | 1011111111010000010 |
3 | 201221212102 |
4 | 1133322002 |
5 | 100032314 |
6 | 12230402 |
7 | 3224201 |
oct | 1377202 |
9 | 657772 |
10 | 392834 |
11 | 249162 |
12 | 16b402 |
13 | 109a60 |
14 | a3238 |
15 | 7b5de |
hex | 5fe82 |
392834 has 16 divisors (see below), whose sum is σ = 657720. Its totient is φ = 174720.
The previous prime is 392831. The next prime is 392837. The reversal of 392834 is 438293.
392834 = T96 + T97 + ... + T147.
It is an interprime number because it is at equal distance from previous prime (392831) and next prime (392837).
It can be written as a sum of positive squares in 4 ways, for example, as 235225 + 157609 = 485^2 + 397^2 .
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a junction number, because it is equal to n+sod(n) for n = 392797 and 392806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (392831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494 + ... + 1014.
2392834 is an apocalyptic number.
392834 is a deficient number, since it is larger than the sum of its proper divisors (264886).
392834 is a wasteful number, since it uses less digits than its factorization.
392834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565.
The product of its digits is 5184, while the sum is 29.
The square root of 392834 is about 626.7647086427. The cubic root of 392834 is about 73.2379798329.
The spelling of 392834 in words is "three hundred ninety-two thousand, eight hundred thirty-four".
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