Search a number
-
+
6143020 = 2251323627
BaseRepresentation
bin10111011011110000101100
3102120002122021
4113123300230
53033034040
6335355524
7103133452
oct27336054
912502567
106143020
113516384
122082ba4
131371130
14b5c9d2
1581524a
hex5dbc2c

6143020 has 24 divisors (see below), whose sum is σ = 13893264. Its totient is φ = 2268096.

The previous prime is 6143003. The next prime is 6143063. The reversal of 6143020 is 203416.

6143020 = T199 + T200 + ... + T354.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6142985 and 6143003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11554 + ... + 12073.

It is an arithmetic number, because the mean of its divisors is an integer number (578886).

Almost surely, 26143020 is an apocalyptic number.

It is an amenable number.

6143020 is an abundant number, since it is smaller than the sum of its proper divisors (7750244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6143020 is a wasteful number, since it uses less digits than its factorization.

6143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23649 (or 23647 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6143020 is about 2478.5116501643. The cubic root of 6143020 is about 183.1445402703.

Adding to 6143020 its reverse (203416), we get a palindrome (6346436).

The spelling of 6143020 in words is "six million, one hundred forty-three thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 23627 47254 94508 118135 236270 307151 472540 614302 1228604 1535755 3071510 6143020