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44745047 = 79566393
BaseRepresentation
bin1010101010110…
…0000101010111
310010012021122222
42222230011113
542423320142
64235012555
71052220014
oct252540527
9103167588
1044745047
1123291686
1212b9a15b
139368579
145d2a70b
153ddcbd2
hex2aac157

44745047 has 4 divisors (see below), whose sum is σ = 45311520. Its totient is φ = 44178576.

The previous prime is 44745023. The next prime is 44745053. The reversal of 44745047 is 74054744.

44745047 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.

It is a cyclic number.

It is not a de Polignac number, because 44745047 - 212 = 44740951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44744998 and 44745016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44745067) 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, 283118 + ... + 283275.

It is an arithmetic number, because the mean of its divisors is an integer number (11327880).

Almost surely, 244745047 is an apocalyptic number.

44745047 is a deficient number, since it is larger than the sum of its proper divisors (566473).

44745047 is an equidigital number, since it uses as much as digits as its factorization.

44745047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566472.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 44745047 is about 6689.1738652841. The cubic root of 44745047 is about 355.0163240526.

The spelling of 44745047 in words is "forty-four million, seven hundred forty-five thousand, forty-seven".

Divisors: 1 79 566393 44745047