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44242705 = 513680657
BaseRepresentation
bin1010100011000…
…1011100010001
310002020202120201
42220301130101
542311231310
64220135201
71045025323
oct250613421
9102222521
1044242705
1122a79221
1212997501
139220a20
145c39613
153d3de3a
hex2a31711

44242705 has 8 divisors (see below), whose sum is σ = 57175272. Its totient is φ = 32671488.

The previous prime is 44242669. The next prime is 44242729. The reversal of 44242705 is 50724244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9054081 + 35188624 = 3009^2 + 5932^2 .

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 44242705 - 27 = 44242577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 340264 + ... + 340393.

It is an arithmetic number, because the mean of its divisors is an integer number (7146909).

Almost surely, 244242705 is an apocalyptic number.

It is an amenable number.

44242705 is a deficient number, since it is larger than the sum of its proper divisors (12932567).

44242705 is a wasteful number, since it uses less digits than its factorization.

44242705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680675.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 44242705 is about 6651.5189994467. The cubic root of 44242705 is about 353.6827597188.

Adding to 44242705 its reverse (50724244), we get a palindrome (94966949).

The spelling of 44242705 in words is "forty-four million, two hundred forty-two thousand, seven hundred five".

Divisors: 1 5 13 65 680657 3403285 8848541 44242705