Base | Representation |
---|---|
bin | 10001010000011… |
… | …000011011110100 |
3 | 202011202111000201 |
4 | 101100120123310 |
5 | 1043103211220 |
6 | 44421050244 |
7 | 10113524623 |
oct | 2120303364 |
9 | 664674021 |
10 | 289507060 |
11 | 139467a37 |
12 | 80b56984 |
13 | 47c95a6b |
14 | 2a6416ba |
15 | 1a639d0a |
hex | 114186f4 |
289507060 has 12 divisors (see below), whose sum is σ = 607964868. Its totient is φ = 115802816.
The previous prime is 289507051. The next prime is 289507061. The reversal of 289507060 is 60705982.
It can be written as a sum of positive squares in 2 ways, for example, as 224640144 + 64866916 = 14988^2 + 8054^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289507061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7237657 + ... + 7237696.
It is an arithmetic number, because the mean of its divisors is an integer number (50663739).
Almost surely, 2289507060 is an apocalyptic number.
289507060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
289507060 is an abundant number, since it is smaller than the sum of its proper divisors (318457808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289507060 is a wasteful number, since it uses less digits than its factorization.
289507060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14475362 (or 14475360 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 289507060 is about 17014.9069935748. The cubic root of 289507060 is about 661.5353450852.
The spelling of 289507060 in words is "two hundred eighty-nine million, five hundred seven thousand, sixty".
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