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4427897 = 11513847
BaseRepresentation
bin10000111001000001111001
322022221221012
4100321001321
52113143042
6234523305
752431215
oct20710171
98287835
104427897
112554821
121596535
13bc0576
14833945
155c6e82
hex439079

4427897 has 4 divisors (see below), whose sum is σ = 4432896. Its totient is φ = 4422900.

The previous prime is 4427887. The next prime is 4427911. The reversal of 4427897 is 7987244.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4427897 - 24 = 4427881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4427887) 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, 773 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (1108224).

Almost surely, 24427897 is an apocalyptic number.

It is an amenable number.

4427897 is a deficient number, since it is larger than the sum of its proper divisors (4999).

4427897 is a wasteful number, since it uses less digits than its factorization.

4427897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998.

The product of its digits is 112896, while the sum is 41.

The square root of 4427897 is about 2104.2568759541. The cubic root of 4427897 is about 164.2098369923.

The spelling of 4427897 in words is "four million, four hundred twenty-seven thousand, eight hundred ninety-seven".

Divisors: 1 1151 3847 4427897