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449434228 = 22293874433
BaseRepresentation
bin11010110010011…
…101001001110100
31011022200121212011
4122302131021310
51410023343403
6112332534004
714065061605
oct3262351164
91138617764
10449434228
1121076a651
12106621304
137215c319
1443991dac
15296caa6d
hex1ac9d274

449434228 has 12 divisors (see below), whose sum is σ = 813631140. Its totient is φ = 216968192.

The previous prime is 449434201. The next prime is 449434229. The reversal of 449434228 is 822434944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 204261264 + 245172964 = 14292^2 + 15658^2 .

It is a super-2 number, since 2×4494342282 = 403982250595911968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449434229) 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, 1937101 + ... + 1937332.

It is an arithmetic number, because the mean of its divisors is an integer number (67802595).

Almost surely, 2449434228 is an apocalyptic number.

It is an amenable number.

449434228 is a deficient number, since it is larger than the sum of its proper divisors (364196912).

449434228 is a wasteful number, since it uses less digits than its factorization.

449434228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874466 (or 3874464 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 449434228 is about 21199.8638674875. The cubic root of 449434228 is about 765.9881448035.

The spelling of 449434228 in words is "four hundred forty-nine million, four hundred thirty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 29 58 116 3874433 7748866 15497732 112358557 224717114 449434228