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4485857 = 7956783
BaseRepresentation
bin10001000111001011100001
322102220102212
4101013023201
52122021412
6240051505
753062205
oct21071341
98386385
104485857
112594322
121603b95
13c10a6c
1484ab05
155d9222
hex4472e1

4485857 has 4 divisors (see below), whose sum is σ = 4542720. Its totient is φ = 4428996.

The previous prime is 4485853. The next prime is 4485869. The reversal of 4485857 is 7585844.

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 4485857 - 22 = 4485853 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4485853) 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, 28313 + ... + 28470.

It is an arithmetic number, because the mean of its divisors is an integer number (1135680).

Almost surely, 24485857 is an apocalyptic number.

It is an amenable number.

4485857 is a deficient number, since it is larger than the sum of its proper divisors (56863).

4485857 is an equidigital number, since it uses as much as digits as its factorization.

4485857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56862.

The product of its digits is 179200, while the sum is 41.

The square root of 4485857 is about 2117.9841831326. The cubic root of 4485857 is about 164.9232210888.

The spelling of 4485857 in words is "four million, four hundred eighty-five thousand, eight hundred fifty-seven".

Divisors: 1 79 56783 4485857