Base | Representation |
---|---|
bin | 11101010110111… |
… | …001011001011011 |
3 | 1021022210200221221 |
4 | 131112321121123 |
5 | 2002042312111 |
6 | 120512512511 |
7 | 15130351066 |
oct | 3526713133 |
9 | 1238720857 |
10 | 492541531 |
11 | 233032819 |
12 | 118b4b737 |
13 | 7b0732c1 |
14 | 495b38dd |
15 | 2d393371 |
hex | 1d5b965b |
492541531 has 4 divisors (see below), whose sum is σ = 492586864. Its totient is φ = 492496200.
The previous prime is 492541523. The next prime is 492541583. The reversal of 492541531 is 135145294.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 492541531 - 23 = 492541523 is a prime.
It is a super-2 number, since 2×4925415312 = 485194319519647922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (492541831) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4426 + ... + 31696.
It is an arithmetic number, because the mean of its divisors is an integer number (123146716).
Almost surely, 2492541531 is an apocalyptic number.
492541531 is a deficient number, since it is larger than the sum of its proper divisors (45333).
492541531 is a wasteful number, since it uses less digits than its factorization.
492541531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45332.
The product of its digits is 21600, while the sum is 34.
The square root of 492541531 is about 22193.2767071471. The cubic root of 492541531 is about 789.7342111805.
The spelling of 492541531 in words is "four hundred ninety-two million, five hundred forty-one thousand, five hundred thirty-one".
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