Base | Representation |
---|---|
bin | 11101001110000… |
… | …000101101011010 |
3 | 1021011102100200220 |
4 | 131032000231122 |
5 | 2000443242221 |
6 | 120350540510 |
7 | 15101510022 |
oct | 3516005532 |
9 | 1234370626 |
10 | 490212186 |
11 | 231791742 |
12 | 118207736 |
13 | 7a738ca9 |
14 | 49168a82 |
15 | 2d0830c6 |
hex | 1d380b5a |
490212186 has 32 divisors (see below), whose sum is σ = 1016938368. Its totient is φ = 157406400.
The previous prime is 490212181. The next prime is 490212197. The reversal of 490212186 is 681212094.
It is not an unprimeable number, because it can be changed into a prime (490212181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11491 + ... + 33353.
It is an arithmetic number, because the mean of its divisors is an integer number (31779324).
Almost surely, 2490212186 is an apocalyptic number.
490212186 is an abundant number, since it is smaller than the sum of its proper divisors (526726182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490212186 is a wasteful number, since it uses less digits than its factorization.
490212186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22006.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 490212186 is about 22140.7358956291. The cubic root of 490212186 is about 788.4872970470.
The spelling of 490212186 in words is "four hundred ninety million, two hundred twelve thousand, one hundred eighty-six".
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