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4280013 = 33158519
BaseRepresentation
bin10000010100111011001101
322001110002000
4100110323031
52043430023
6231422513
751244113
oct20247315
98043060
104280013
112463701
121524a39
13b6b16a
147d5ab3
15598243
hex414ecd

4280013 has 8 divisors (see below), whose sum is σ = 6340800. Its totient is φ = 2853324.

The previous prime is 4280011. The next prime is 4280021. The reversal of 4280013 is 3100824.

It is a happy number.

It is not a de Polignac number, because 4280013 - 21 = 4280011 is a prime.

It is a super-2 number, since 2×42800132 = 36637022560338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79233 + ... + 79286.

It is an arithmetic number, because the mean of its divisors is an integer number (792600).

Almost surely, 24280013 is an apocalyptic number.

It is an amenable number.

4280013 is a deficient number, since it is larger than the sum of its proper divisors (2060787).

4280013 is a wasteful number, since it uses less digits than its factorization.

4280013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158528 (or 158522 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4280013 is about 2068.8192284489. The cubic root of 4280013 is about 162.3609919698.

Adding to 4280013 its reverse (3100824), we get a palindrome (7380837).

It can be divided in two parts, 428001 and 3, that multiplied together give a triangular number (1284003 = T1602).

The spelling of 4280013 in words is "four million, two hundred eighty thousand, thirteen".

Divisors: 1 3 9 27 158519 475557 1426671 4280013