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1444495169 = 13311357283
BaseRepresentation
bin101011000011001…
…0011111101000001
310201200001221212002
41112012103331001
510424242321134
6355200313345
750540002115
oct12606237501
93650057762
101444495169
1168141a667
12343912855
131a035a390
14d9bb5745
1586c3387e
hex56193f41

1444495169 has 8 divisors (see below), whose sum is σ = 1560616512. Its totient is φ = 1329089040.

The previous prime is 1444495163. The next prime is 1444495181. The reversal of 1444495169 is 9615944441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444495169 - 24 = 1444495153 is a prime.

It is a super-2 number, since 2×14444951692 = 4173132586528677122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444495163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174599 + ... + 182684.

It is an arithmetic number, because the mean of its divisors is an integer number (195077064).

Almost surely, 21444495169 is an apocalyptic number.

It is an amenable number.

1444495169 is a deficient number, since it is larger than the sum of its proper divisors (116121343).

1444495169 is a wasteful number, since it uses less digits than its factorization.

1444495169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357607.

The product of its digits is 622080, while the sum is 47.

The square root of 1444495169 is about 38006.5148231195. The cubic root of 1444495169 is about 1130.4170463134.

The spelling of 1444495169 in words is "one billion, four hundred forty-four million, four hundred ninety-five thousand, one hundred sixty-nine".

Divisors: 1 13 311 4043 357283 4644679 111115013 1444495169