Base | Representation |
---|---|
bin | 11000111110010… |
… | …010001010001010 |
3 | 1002012101102011221 |
4 | 120332102022022 |
5 | 1324224333430 |
6 | 105324112254 |
7 | 13245163315 |
oct | 3076221212 |
9 | 1065342157 |
10 | 418980490 |
11 | 1a555a275 |
12 | b839568a |
13 | 68a58966 |
14 | 3d90597c |
15 | 26bb257a |
hex | 18f9228a |
418980490 has 8 divisors (see below), whose sum is σ = 754164900. Its totient is φ = 167592192.
The previous prime is 418980481. The next prime is 418980491. The reversal of 418980490 is 94089814.
It can be written as a sum of positive squares in 2 ways, for example, as 418979961 + 529 = 20469^2 + 23^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (418980491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20949015 + ... + 20949034.
Almost surely, 2418980490 is an apocalyptic number.
418980490 is a deficient number, since it is larger than the sum of its proper divisors (335184410).
418980490 is a wasteful number, since it uses less digits than its factorization.
418980490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41898056.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 418980490 is about 20469.0129219755. The cubic root of 418980490 is about 748.2807969472.
The spelling of 418980490 in words is "four hundred eighteen million, nine hundred eighty thousand, four hundred ninety".
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