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4445344 = 25138917
BaseRepresentation
bin10000111101010010100000
322100211212101
4100331102200
52114222334
6235140144
752533121
oct20752240
98324771
104445344
112566942
1215a4654
13bc84a7
1483a048
155cc214
hex43d4a0

4445344 has 12 divisors (see below), whose sum is σ = 8751834. Its totient is φ = 2222656.

The previous prime is 4445333. The next prime is 4445387. The reversal of 4445344 is 4435444.

4445344 = T1720 + T1721 + T1722.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 35344 = 2100^2 + 188^2 .

It is a super-2 number, since 2×44453442 = 39522166556672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69427 + ... + 69490.

Almost surely, 24445344 is an apocalyptic number.

4445344 is the 1722-nd centered triangular number.

It is an amenable number.

4445344 is a deficient number, since it is larger than the sum of its proper divisors (4306490).

4445344 is a wasteful number, since it uses less digits than its factorization.

4445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138927 (or 138919 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 4445344 is about 2108.3984443174. The cubic root of 4445344 is about 164.4252300143.

The spelling of 4445344 in words is "four million, four hundred forty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 138917 277834 555668 1111336 2222672 4445344