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5687569 = 38914621
BaseRepresentation
bin10101101100100100010001
3101200221212201
4111230210101
52424000234
6321523201
766225556
oct25544421
911627781
105687569
113235178
121aa3501
131241a34
14a80a2d
15775314
hex56c911

5687569 has 4 divisors (see below), whose sum is σ = 5702580. Its totient is φ = 5672560.

The previous prime is 5687551. The next prime is 5687599. The reversal of 5687569 is 9657865.

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

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 5313025 = 612^2 + 2305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5687569 is a prime.

It is a super-2 number, since 2×56875692 = 64696882259522, which contains 22 as substring.

It is a Duffinian number.

5687569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5687599) 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, 6922 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (1425645).

Almost surely, 25687569 is an apocalyptic number.

It is an amenable number.

5687569 is a deficient number, since it is larger than the sum of its proper divisors (15011).

5687569 is a wasteful number, since it uses less digits than its factorization.

5687569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010.

The product of its digits is 453600, while the sum is 46.

The square root of 5687569 is about 2384.8624698292. The cubic root of 5687569 is about 178.5016463950.

The spelling of 5687569 in words is "five million, six hundred eighty-seven thousand, five hundred sixty-nine".

Divisors: 1 389 14621 5687569