Base | Representation |
---|---|
bin | 10001001011010… |
… | …01011111111111 |
3 | 101001010101021000 |
4 | 20211221133333 |
5 | 243341241124 |
6 | 22144141343 |
7 | 3366501555 |
oct | 1045513777 |
9 | 331111230 |
10 | 144087039 |
11 | 743737a8 |
12 | 40307853 |
13 | 23b0b705 |
14 | 151c9bd5 |
15 | c9b26c9 |
hex | 89697ff |
144087039 has 16 divisors (see below), whose sum is σ = 220349440. Its totient is φ = 92958840.
The previous prime is 144087017. The next prime is 144087049. The reversal of 144087039 is 930780441.
It is a happy number.
It is not a de Polignac number, because 144087039 - 217 = 143955967 is a prime.
It is a super-2 number, since 2×1440870392 = 41522149615575042, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144086994 and 144087012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144087049) 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, 85237 + ... + 86910.
It is an arithmetic number, because the mean of its divisors is an integer number (13771840).
Almost surely, 2144087039 is an apocalyptic number.
144087039 is a deficient number, since it is larger than the sum of its proper divisors (76262401).
144087039 is a wasteful number, since it uses less digits than its factorization.
144087039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172187 (or 172181 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 144087039 is about 12003.6260771485. The cubic root of 144087039 is about 524.2538625302.
The spelling of 144087039 in words is "one hundred forty-four million, eighty-seven thousand, thirty-nine".
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