Base | Representation |
---|---|
bin | 11101010110110… |
… | …110110110001111 |
3 | 1021022210011122010 |
4 | 131112312312033 |
5 | 2002041443322 |
6 | 120512352303 |
7 | 15130305456 |
oct | 3526666617 |
9 | 1238704563 |
10 | 492531087 |
11 | 233025994 |
12 | 118b45693 |
13 | 7b06b619 |
14 | 495adb9d |
15 | 2d39020c |
hex | 1d5b6d8f |
492531087 has 8 divisors (see below), whose sum is σ = 674457136. Its totient is φ = 319479552.
The previous prime is 492531079. The next prime is 492531113. The reversal of 492531087 is 780135294.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 492531087 - 23 = 492531079 is a prime.
It is a super-2 number, since 2×4925310872 = 485173743322803138, 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 (492531077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218498 + ... + 2218719.
It is an arithmetic number, because the mean of its divisors is an integer number (84307142).
Almost surely, 2492531087 is an apocalyptic number.
492531087 is a deficient number, since it is larger than the sum of its proper divisors (181926049).
492531087 is a wasteful number, since it uses less digits than its factorization.
492531087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4437257.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 492531087 is about 22193.0414094148. The cubic root of 492531087 is about 789.7286292198.
The spelling of 492531087 in words is "four hundred ninety-two million, five hundred thirty-one thousand, eighty-seven".
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