Base | Representation |
---|---|
bin | 11101010110100… |
… | …001100110001111 |
3 | 1021022121202020102 |
4 | 131112201212033 |
5 | 2002031202142 |
6 | 120510441315 |
7 | 15126463634 |
oct | 3526414617 |
9 | 1238552212 |
10 | 492444047 |
11 | 232a76557 |
12 | 118b0323b |
13 | 7b03ab14 |
14 | 4958a18b |
15 | 2d374532 |
hex | 1d5a198f |
492444047 has 4 divisors (see below), whose sum is σ = 493710360. Its totient is φ = 491177736.
The previous prime is 492444023. The next prime is 492444059. The reversal of 492444047 is 740444294.
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 492444047 - 212 = 492439951 is a prime.
It is a super-2 number, since 2×4924440472 = 485002278851476418, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 492444047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492443047) 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, 632573 + ... + 633350.
It is an arithmetic number, because the mean of its divisors is an integer number (123427590).
Almost surely, 2492444047 is an apocalyptic number.
492444047 is a deficient number, since it is larger than the sum of its proper divisors (1266313).
492444047 is a wasteful number, since it uses less digits than its factorization.
492444047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1266312.
The product of its (nonzero) digits is 129024, while the sum is 38.
The square root of 492444047 is about 22191.0803477433. The cubic root of 492444047 is about 789.6821062481.
The spelling of 492444047 in words is "four hundred ninety-two million, four hundred forty-four thousand, forty-seven".
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