Search a number
-
+
5561617 = 31179407
BaseRepresentation
bin10101001101110100010001
3101110120002211
4111031310101
52410432432
6315112121
765162425
oct25156421
911416084
105561617
113159586
121a42641
1311c95c9
14a4ab85
1574cd47
hex54dd11

5561617 has 4 divisors (see below), whose sum is σ = 5741056. Its totient is φ = 5382180.

The previous prime is 5561599. The next prime is 5561627. The reversal of 5561617 is 7161655.

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 5561617 - 211 = 5559569 is a prime.

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: 179407 = 5561617 / (5 + 5 + 6 + 1 + 6 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561627) 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 3 ways as a sum of consecutive naturals, for example, 89673 + ... + 89734.

It is an arithmetic number, because the mean of its divisors is an integer number (1435264).

Almost surely, 25561617 is an apocalyptic number.

It is an amenable number.

5561617 is a deficient number, since it is larger than the sum of its proper divisors (179439).

5561617 is a wasteful number, since it uses less digits than its factorization.

5561617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179438.

The product of its digits is 6300, while the sum is 31.

The square root of 5561617 is about 2358.3080799590. The cubic root of 5561617 is about 177.1741505775.

The spelling of 5561617 in words is "five million, five hundred sixty-one thousand, six hundred seventeen".

Divisors: 1 31 179407 5561617