Base | Representation |
---|---|
bin | 10010010110000100011101 |
3 | 100001022200201 |
4 | 102112010131 |
5 | 2212341424 |
6 | 251023501 |
7 | 55606243 |
oct | 22260435 |
9 | 10038621 |
10 | 4808989 |
11 | 2795079 |
12 | 173ab91 |
13 | cc4b73 |
14 | 8d2793 |
15 | 64ed44 |
hex | 49611d |
4808989 has 6 divisors (see below), whose sum is σ = 4865406. Its totient is φ = 4753080.
The previous prime is 4808987. The next prime is 4809017. The reversal of 4808989 is 9898084.
It can be written as a sum of positive squares in only one way, i.e., 2656900 + 2152089 = 1630^2 + 1467^2 .
It is not a de Polignac number, because 4808989 - 21 = 4808987 is a prime.
It is a super-3 number, since 3×48089893 (a number of 21 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4808987) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26479 + ... + 26659.
It is an arithmetic number, because the mean of its divisors is an integer number (810901).
Almost surely, 24808989 is an apocalyptic number.
It is an amenable number.
4808989 is a deficient number, since it is larger than the sum of its proper divisors (56417).
4808989 is an equidigital number, since it uses as much as digits as its factorization.
4808989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 507 (or 344 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 46.
The square root of 4808989 is about 2192.9407196730. The cubic root of 4808989 is about 168.7917676218.
The spelling of 4808989 in words is "four million, eight hundred eight thousand, nine hundred eighty-nine".
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