Base | Representation |
---|---|
bin | 101010111010101… |
… | …0111111111000001 |
3 | 10201100201101102000 |
4 | 1111311113333001 |
5 | 10422123231413 |
6 | 354521214213 |
7 | 50454160521 |
oct | 12565277701 |
9 | 3640641360 |
10 | 1440055233 |
11 | 6799678a1 |
12 | 342331369 |
13 | 19c4644b6 |
14 | d937b681 |
15 | 86658073 |
hex | 55d57fc1 |
1440055233 has 24 divisors (see below), whose sum is σ = 2209552800. Its totient is φ = 926917488.
The previous prime is 1440055219. The next prime is 1440055241. The reversal of 1440055233 is 3325500441.
It is not a de Polignac number, because 1440055233 - 222 = 1435860929 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1440055197 and 1440055206.
It is not an unprimeable number, because it can be changed into a prime (1440055933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9003 + ... + 54416.
It is an arithmetic number, because the mean of its divisors is an integer number (92064700).
Almost surely, 21440055233 is an apocalyptic number.
It is an amenable number.
1440055233 is a deficient number, since it is larger than the sum of its proper divisors (769497567).
1440055233 is an equidigital number, since it uses as much as digits as its factorization.
1440055233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63486 (or 63451 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 1440055233 is about 37948.0596737172. The cubic root of 1440055233 is about 1129.2576723179.
Adding to 1440055233 its reverse (3325500441), we get a palindrome (4765555674).
The spelling of 1440055233 in words is "one billion, four hundred forty million, fifty-five thousand, two hundred thirty-three".
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