Base | Representation |
---|---|
bin | 1100111110001000111 |
3 | 210121000220 |
4 | 1213301013 |
5 | 102100111 |
6 | 13035423 |
7 | 3420105 |
oct | 1476107 |
9 | 717026 |
10 | 425031 |
11 | 270372 |
12 | 185b73 |
13 | 11b5c9 |
14 | b0c75 |
15 | 85e06 |
hex | 67c47 |
425031 has 4 divisors (see below), whose sum is σ = 566712. Its totient is φ = 283352.
The previous prime is 425027. The next prime is 425039. The reversal of 425031 is 130524.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 425031 - 22 = 425027 is a prime.
It is a super-2 number, since 2×4250312 = 361302701922, which contains 22 as substring.
It is an Ulam number.
It is a D-number.
It is a self number, because there is not a number n which added to its sum of digits gives 425031.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425031.
It is not an unprimeable number, because it can be changed into a prime (425039) 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 3 ways as a sum of consecutive naturals, for example, 70836 + ... + 70841.
It is an arithmetic number, because the mean of its divisors is an integer number (141678).
2425031 is an apocalyptic number.
425031 is a deficient number, since it is larger than the sum of its proper divisors (141681).
425031 is a wasteful number, since it uses less digits than its factorization.
425031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141680.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 425031 is about 651.9440160014. The cubic root of 425031 is about 75.1865577867.
Adding to 425031 its reverse (130524), we get a palindrome (555555).
The spelling of 425031 in words is "four hundred twenty-five thousand, thirty-one".
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