Base | Representation |
---|---|
bin | 101011110010111… |
… | …0101000011101000 |
3 | 10210102012002021111 |
4 | 1113211311003220 |
5 | 11002200100230 |
6 | 401453120104 |
7 | 51262556653 |
oct | 12745650350 |
9 | 3712162244 |
10 | 1469534440 |
11 | 694571a80 |
12 | 350189034 |
13 | 1a55b640a |
14 | dd25289a |
15 | 8902c92a |
hex | 579750e8 |
1469534440 has 64 divisors (see below), whose sum is σ = 3623175360. Its totient is φ = 531985920.
The previous prime is 1469534419. The next prime is 1469534441. The reversal of 1469534440 is 444359641.
It is a super-2 number, since 2×14695344402 = 4319062940692227200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 1469534393 and 1469534402.
It is not an unprimeable number, because it can be changed into a prime (1469534441) 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, 92524 + ... + 107236.
It is an arithmetic number, because the mean of its divisors is an integer number (56612115).
Almost surely, 21469534440 is an apocalyptic number.
1469534440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1469534440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811587680).
1469534440 is an abundant number, since it is smaller than the sum of its proper divisors (2153640920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1469534440 is a wasteful number, since it uses less digits than its factorization.
1469534440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14962 (or 14958 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 40.
The square root of 1469534440 is about 38334.5071704333. The cubic root of 1469534440 is about 1136.9113170191.
The spelling of 1469534440 in words is "one billion, four hundred sixty-nine million, five hundred thirty-four thousand, four hundred forty".
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