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44007857 = 192316203
BaseRepresentation
bin1010011111100…
…0000110110001
310001210211102122
42213320012301
542231222412
64211124025
71043026535
oct247700661
9101724378
1044007857
1122928833
12128a3615
13916ab6a
145bb7bc5
153ce4572
hex29f81b1

44007857 has 4 divisors (see below), whose sum is σ = 46324080. Its totient is φ = 41691636.

The previous prime is 44007851. The next prime is 44007863. The reversal of 44007857 is 75870044.

It is a happy number.

44007857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (44007851) and next prime (44007863).

It is a cyclic number.

It is not a de Polignac number, because 44007857 - 24 = 44007841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44007851) 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, 1158083 + ... + 1158120.

It is an arithmetic number, because the mean of its divisors is an integer number (11581020).

Almost surely, 244007857 is an apocalyptic number.

It is an amenable number.

44007857 is a deficient number, since it is larger than the sum of its proper divisors (2316223).

44007857 is a wasteful number, since it uses less digits than its factorization.

44007857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316222.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 44007857 is about 6633.8417979328. The cubic root of 44007857 is about 353.0558458781.

The spelling of 44007857 in words is "forty-four million, seven thousand, eight hundred fifty-seven".

Divisors: 1 19 2316203 44007857