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4528869 = 31509623
BaseRepresentation
bin10001010001101011100101
322112002102220
4101101223211
52124410434
6241022553
753331462
oct21215345
98462386
104528869
112613674
121624a59
13c27507
1485c669
155e6d49
hex451ae5

4528869 has 4 divisors (see below), whose sum is σ = 6038496. Its totient is φ = 3019244.

The previous prime is 4528831. The next prime is 4528891. The reversal of 4528869 is 9688254.

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 4528869 - 29 = 4528357 is a prime.

It is a super-2 number, since 2×45288692 = 41021308838322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4528869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528829) 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, 754809 + ... + 754814.

It is an arithmetic number, because the mean of its divisors is an integer number (1509624).

Almost surely, 24528869 is an apocalyptic number.

It is an amenable number.

4528869 is a deficient number, since it is larger than the sum of its proper divisors (1509627).

4528869 is a wasteful number, since it uses less digits than its factorization.

4528869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509626.

The product of its digits is 138240, while the sum is 42.

The square root of 4528869 is about 2128.1139537158. The cubic root of 4528869 is about 165.4486595466.

The spelling of 4528869 in words is "four million, five hundred twenty-eight thousand, eight hundred sixty-nine".

Divisors: 1 3 1509623 4528869