Base | Representation |
---|---|
bin | 11100101010110… |
… | …111111000101000 |
3 | 1020112002101022212 |
4 | 130222313320220 |
5 | 1441114013000 |
6 | 115421304252 |
7 | 14630304164 |
oct | 3452677050 |
9 | 1215071285 |
10 | 481001000 |
11 | 227570197 |
12 | 115105088 |
13 | 7886249c |
14 | 47c4bca4 |
15 | 2c363c35 |
hex | 1cab7e28 |
481001000 has 32 divisors (see below), whose sum is σ = 1125544680. Its totient is φ = 192400000.
The previous prime is 481000957. The next prime is 481001011. The reversal of 481001000 is 100184.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 218625796 + 262375204 = 14786^2 + 16198^2 .
It is a super-3 number, since 3×4810010003 (a number of 27 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239501 + ... + 241500.
Almost surely, 2481001000 is an apocalyptic number.
481001000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
481001000 is an abundant number, since it is smaller than the sum of its proper divisors (644543680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
481001000 is a wasteful number, since it uses less digits than its factorization.
481001000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481022 (or 481008 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 481001000 is about 21931.7349974871. The cubic root of 481001000 is about 783.5174256730.
Adding to 481001000 its reverse (100184), we get a palindrome (481101184).
The spelling of 481001000 in words is "four hundred eighty-one million, one thousand".
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