Base | Representation |
---|---|
bin | 100010000110000… |
… | …1000010010000100 |
3 | 2221201200202121002 |
4 | 1010030020102010 |
5 | 4320332432330 |
6 | 305304312432 |
7 | 40231045265 |
oct | 10414102204 |
9 | 2851622532 |
10 | 1144030340 |
11 | 537858a22 |
12 | 27b172718 |
13 | 153028b3b |
14 | abd2096c |
15 | 6a681e45 |
hex | 44308484 |
1144030340 has 12 divisors (see below), whose sum is σ = 2402463756. Its totient is φ = 457612128.
The previous prime is 1144030331. The next prime is 1144030397. The reversal of 1144030340 is 430304411.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 802815556 + 341214784 = 28334^2 + 18472^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 57201517 = 1144030340 / (1 + 1 + 4 + 4 + 0 + 3 + 0 + 3 + 4 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28600739 + ... + 28600778.
It is an arithmetic number, because the mean of its divisors is an integer number (200205313).
Almost surely, 21144030340 is an apocalyptic number.
1144030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1144030340 is an abundant number, since it is smaller than the sum of its proper divisors (1258433416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1144030340 is a wasteful number, since it uses less digits than its factorization.
1144030340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57201526 (or 57201524 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1144030340 is about 33823.5175580542. The cubic root of 1144030340 is about 1045.8735520512.
Adding to 1144030340 its reverse (430304411), we get a palindrome (1574334751).
The spelling of 1144030340 in words is "one billion, one hundred forty-four million, thirty thousand, three hundred forty".
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