Base | Representation |
---|---|
bin | 10001000110101… |
… | …11110010100101 |
3 | 101000000001120100 |
4 | 20203113302211 |
5 | 243213141323 |
6 | 22123254313 |
7 | 3361434546 |
oct | 1043276245 |
9 | 330001510 |
10 | 143490213 |
11 | 73aa6359 |
12 | 4007a399 |
13 | 2395cb69 |
14 | 150b24cd |
15 | c8e5943 |
hex | 88d7ca5 |
143490213 has 6 divisors (see below), whose sum is σ = 207263654. Its totient is φ = 95660136.
The previous prime is 143490211. The next prime is 143490233. The reversal of 143490213 is 312094341.
143490213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 81757764 + 61732449 = 9042^2 + 7857^2 .
It is not a de Polignac number, because 143490213 - 21 = 143490211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143490211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7971670 + ... + 7971687.
Almost surely, 2143490213 is an apocalyptic number.
It is an amenable number.
143490213 is a deficient number, since it is larger than the sum of its proper divisors (63773441).
143490213 is a wasteful number, since it uses less digits than its factorization.
143490213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15943363 (or 15943360 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 143490213 is about 11978.7400422582. The cubic root of 143490213 is about 523.5290197732.
The spelling of 143490213 in words is "one hundred forty-three million, four hundred ninety thousand, two hundred thirteen".
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