Base | Representation |
---|---|
bin | 11100101110100… |
… | …100101010000011 |
3 | 1020120220122200002 |
4 | 130232210222003 |
5 | 1441341031234 |
6 | 115454150215 |
7 | 14641453511 |
oct | 3456445203 |
9 | 1216818602 |
10 | 481970819 |
11 | 2280728a0 |
12 | 1154b236b |
13 | 78b11a45 |
14 | 480214b1 |
15 | 2c4a627e |
hex | 1cba4a83 |
481970819 has 8 divisors (see below), whose sum is σ = 548646912. Its totient is φ = 419104840.
The previous prime is 481970809. The next prime is 481970833. The reversal of 481970819 is 918079184.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 481970819 - 24 = 481970803 is a prime.
It is a super-2 number, since 2×4819708192 = 464591740735061522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (481970809) 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, 952259 + ... + 952764.
It is an arithmetic number, because the mean of its divisors is an integer number (68580864).
Almost surely, 2481970819 is an apocalyptic number.
481970819 is a deficient number, since it is larger than the sum of its proper divisors (66676093).
481970819 is a wasteful number, since it uses less digits than its factorization.
481970819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1905057.
The product of its (nonzero) digits is 145152, while the sum is 47.
The square root of 481970819 is about 21953.8338109771. The cubic root of 481970819 is about 784.0436615582.
The spelling of 481970819 in words is "four hundred eighty-one million, nine hundred seventy thousand, eight hundred nineteen".
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