Base | Representation |
---|---|
bin | 10001000111110… |
… | …01011100010001 |
3 | 101000021001122101 |
4 | 20203321130101 |
5 | 243232044144 |
6 | 22130240401 |
7 | 3362550445 |
oct | 1043713421 |
9 | 330231571 |
10 | 143628049 |
11 | 7408a974 |
12 | 40126101 |
13 | 239aa816 |
14 | 1510a825 |
15 | c9216d4 |
hex | 88f9711 |
143628049 has 4 divisors (see below), whose sum is σ = 151187440. Its totient is φ = 136068660.
The previous prime is 143628013. The next prime is 143628061. The reversal of 143628049 is 940826341.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 143628049 - 27 = 143627921 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143627999 and 143628017.
It is not an unprimeable number, because it can be changed into a prime (143628949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779667 + ... + 3779704.
It is an arithmetic number, because the mean of its divisors is an integer number (37796860).
Almost surely, 2143628049 is an apocalyptic number.
143628049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
143628049 is a deficient number, since it is larger than the sum of its proper divisors (7559391).
143628049 is an equidigital number, since it uses as much as digits as its factorization.
143628049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7559390.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 143628049 is about 11984.4920209411. The cubic root of 143628049 is about 523.6965992684.
The spelling of 143628049 in words is "one hundred forty-three million, six hundred twenty-eight thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •