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5642969 is a prime number
BaseRepresentation
bin10101100001101011011001
3101121200200212
4111201223121
52421033334
6320540505
765651543
oct25415331
911550625
105642969
113204712
121a81735
131227647
14a6c693
15766ece
hex561ad9

5642969 has 2 divisors, whose sum is σ = 5642970. Its totient is φ = 5642968.

The previous prime is 5642947. The next prime is 5642977. The reversal of 5642969 is 9692465.

5642969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 855625 = 2188^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 5642969 - 212 = 5638873 is a prime.

It is a super-2 number, since 2×56429692 = 63686198269922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5642909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821484 + 2821485.

It is an arithmetic number, because the mean of its divisors is an integer number (2821485).

Almost surely, 25642969 is an apocalyptic number.

It is an amenable number.

5642969 is a deficient number, since it is larger than the sum of its proper divisors (1).

5642969 is an equidigital number, since it uses as much as digits as its factorization.

5642969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 5642969 is about 2375.4934224283. The cubic root of 5642969 is about 178.0338381993.

The spelling of 5642969 in words is "five million, six hundred forty-two thousand, nine hundred sixty-nine".