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485629369 = 220372
BaseRepresentation
bin11100111100100…
…001110110111001
31020211210112020221
4130330201312321
51443310114434
6120104420041
715014532031
oct3474416671
91224715227
10485629369
1122a141595
12116777621
13797c3074
14486d48c1
152c97a2b4
hex1cf21db9

485629369 has 3 divisors (see below), whose sum is σ = 485651407. Its totient is φ = 485607332.

The previous prime is 485629367. The next prime is 485629381. The reversal of 485629369 is 963926584.

The square root of 485629369 is 22037.

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., 52490025 + 433139344 = 7245^2 + 20812^2 .

It is not a de Polignac number, because 485629369 - 21 = 485629367 is a prime.

It is a super-2 number, since 2×4856293692 = 471671768070676322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485629363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11019 + ... + 33055.

Almost surely, 2485629369 is an apocalyptic number.

485629369 is the 22037-th square number.

485629369 is the 11019-th centered octagonal number.

It is an amenable number.

485629369 is a deficient number, since it is larger than the sum of its proper divisors (22038).

485629369 is an frugal number, since it uses more digits than its factorization.

485629369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44074 (or 22037 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The cubic root of 485629369 is about 786.0225057061.

It can be divided in two parts, 4856 and 29369, that added together give a square (34225 = 1852).

The spelling of 485629369 in words is "four hundred eighty-five million, six hundred twenty-nine thousand, three hundred sixty-nine".

Divisors: 1 22037 485629369