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4464769 = 21132
BaseRepresentation
bin10001000010000010000001
322101211111211
4101002002001
52120333034
6235410121
752643551
oct21020201
98354454
104464769
11257a4a1
1215b3941
13c0429a
14843161
155d2d64
hex442081

4464769 has 3 divisors (see below), whose sum is σ = 4466883. Its totient is φ = 4462656.

The previous prime is 4464767. The next prime is 4464781. The reversal of 4464769 is 9674644.

The square root of 4464769 is 2113.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4225 + 4460544 = 65^2 + 2112^2 .

It is not a de Polignac number, because 4464769 - 21 = 4464767 is a prime.

It is a super-2 number, since 2×44647692 = 39868324446722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4464763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1057 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (1488961).

Almost surely, 24464769 is an apocalyptic number.

4464769 is the 2113-rd square number.

4464769 is the 1057-th centered octagonal number.

It is an amenable number.

4464769 is a deficient number, since it is larger than the sum of its proper divisors (2114).

4464769 is an frugal number, since it uses more digits than its factorization.

4464769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 2113 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The cubic root of 4464769 is about 164.6643805423.

The spelling of 4464769 in words is "four million, four hundred sixty-four thousand, seven hundred sixty-nine".

Divisors: 1 2113 4464769