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5628019 = 31181549
BaseRepresentation
bin10101011110000001110011
3101120221012011
4111132001303
52420044034
6320343351
765560135
oct25360163
911527164
105628019
1131a4461
121a74b57
1312208b7
14a67055
15762864
hex55e073

5628019 has 4 divisors (see below), whose sum is σ = 5809600. Its totient is φ = 5446440.

The previous prime is 5627989. The next prime is 5628041. The reversal of 5628019 is 9108265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5628019 - 25 = 5627987 is a prime.

It is a super-2 number, since 2×56280192 = 63349195728722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 181549 = 5628019 / (5 + 6 + 2 + 8 + 0 + 1 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5628079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90744 + ... + 90805.

It is an arithmetic number, because the mean of its divisors is an integer number (1452400).

Almost surely, 25628019 is an apocalyptic number.

5628019 is a deficient number, since it is larger than the sum of its proper divisors (181581).

5628019 is a wasteful number, since it uses less digits than its factorization.

5628019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181580.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5628019 is about 2372.3446208340. The cubic root of 5628019 is about 177.8764766033.

The spelling of 5628019 in words is "five million, six hundred twenty-eight thousand, nineteen".

Divisors: 1 31 181549 5628019