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44070689 = 139734949
BaseRepresentation
bin1010100000011…
…1011100100001
310001221000121202
42220013130201
542240230224
64212330545
71043410655
oct250073441
9101830552
1044070689
1122970a63
1212913a55
139190640
145bd2a65
153d07eae
hex2a07721

44070689 has 8 divisors (see below), whose sum is σ = 47951400. Its totient is φ = 40260096.

The previous prime is 44070679. The next prime is 44070707. The reversal of 44070689 is 98607044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 616225 + 43454464 = 785^2 + 6592^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44070689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44070619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16214 + ... + 18735.

It is an arithmetic number, because the mean of its divisors is an integer number (5993925).

Almost surely, 244070689 is an apocalyptic number.

It is an amenable number.

44070689 is a deficient number, since it is larger than the sum of its proper divisors (3880711).

44070689 is a wasteful number, since it uses less digits than its factorization.

44070689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35059.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 44070689 is about 6638.5758261844. The cubic root of 44070689 is about 353.2237905548.

The spelling of 44070689 in words is "forty-four million, seventy thousand, six hundred eighty-nine".

Divisors: 1 13 97 1261 34949 454337 3390053 44070689