Base | Representation |
---|---|
bin | 11101010111111… |
… | …101001000010001 |
3 | 1021100022210112010 |
4 | 131113331020101 |
5 | 2002130201321 |
6 | 120522453133 |
7 | 15132614655 |
oct | 3527751021 |
9 | 1240283463 |
10 | 492818961 |
11 | 2332021a8 |
12 | 1190641a9 |
13 | 7b13c66b |
14 | 49646a65 |
15 | 2d3ea676 |
hex | 1d5fd211 |
492818961 has 8 divisors (see below), whose sum is σ = 657194560. Its totient is φ = 328494672.
The previous prime is 492818959. The next prime is 492818981. The reversal of 492818961 is 169818294.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 492818961 - 21 = 492818959 is a prime.
It is a super-2 number, since 2×4928189612 = 485741056642239042, 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 492818961.
It is not an unprimeable number, because it can be changed into a prime (492818951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30375 + ... + 43683.
It is an arithmetic number, because the mean of its divisors is an integer number (82149320).
Almost surely, 2492818961 is an apocalyptic number.
It is an amenable number.
492818961 is a deficient number, since it is larger than the sum of its proper divisors (164375599).
492818961 is a wasteful number, since it uses less digits than its factorization.
492818961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25655.
The product of its digits is 248832, while the sum is 48.
The square root of 492818961 is about 22199.5261435914. The cubic root of 492818961 is about 789.8824591455.
The spelling of 492818961 in words is "four hundred ninety-two million, eight hundred eighteen thousand, nine hundred sixty-one".
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