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4505069 = 9074967
BaseRepresentation
bin10001001011110111101101
322110212210102
4101023313231
52123130234
6240320445
753202212
oct21136755
98425712
104505069
1125a77a8
121613125
13c1972a
14853b09
155dec7e
hex44bded

4505069 has 4 divisors (see below), whose sum is σ = 4510944. Its totient is φ = 4499196.

The previous prime is 4505057. The next prime is 4505099. The reversal of 4505069 is 9605054.

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 an emirpimes, since its reverse is a distinct semiprime: 9605054 = 24802527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4505069 is a prime.

It is a super-2 number, since 2×45050692 = 40591293389522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505029) 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, 1577 + ... + 3390.

It is an arithmetic number, because the mean of its divisors is an integer number (1127736).

Almost surely, 24505069 is an apocalyptic number.

It is an amenable number.

4505069 is a deficient number, since it is larger than the sum of its proper divisors (5875).

4505069 is an equidigital number, since it uses as much as digits as its factorization.

4505069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 4505069 is about 2122.5147820451. The cubic root of 4505069 is about 165.1583298097.

The spelling of 4505069 in words is "four million, five hundred five thousand, sixty-nine".

Divisors: 1 907 4967 4505069