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444997396 = 22325734157
BaseRepresentation
bin11010100001100…
…001111100010100
31011000100012200001
4122201201330110
51402404404041
6112053501044
714012262334
oct3241417424
91130305601
10444997396
1120920a148
12105041784
137126798c
14431590c4
1529101131
hex1a861f14

444997396 has 12 divisors (see below), whose sum is σ = 779007348. Its totient is φ = 222423872.

The previous prime is 444997391. The next prime is 444997403. The reversal of 444997396 is 693799444.

It can be written as a sum of positive squares in 2 ways, for example, as 362369296 + 82628100 = 19036^2 + 9090^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444997391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051 + ... + 30106.

It is an arithmetic number, because the mean of its divisors is an integer number (64917279).

Almost surely, 2444997396 is an apocalyptic number.

It is an amenable number.

444997396 is a deficient number, since it is larger than the sum of its proper divisors (334009952).

444997396 is a wasteful number, since it uses less digits than its factorization.

444997396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37418 (or 37416 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 55.

The square root of 444997396 is about 21094.9613889194. The cubic root of 444997396 is about 763.4591829691.

The spelling of 444997396 in words is "four hundred forty-four million, nine hundred ninety-seven thousand, three hundred ninety-six".

Divisors: 1 2 4 3257 6514 13028 34157 68314 136628 111249349 222498698 444997396