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45047705 = 517529973
BaseRepresentation
bin1010101111010…
…1111110011001
310010202122211112
42223311332121
543013011310
64245310105
71054620263
oct253657631
9103678745
1045047705
112347900a
1213105335
139443261
145da8b33
153e4c705
hex2af5f99

45047705 has 8 divisors (see below), whose sum is σ = 57237192. Its totient is φ = 33918208.

The previous prime is 45047699. The next prime is 45047711. The reversal of 45047705 is 50774054.

It is an interprime number because it is at equal distance from previous prime (45047699) and next prime (45047711).

It can be written as a sum of positive squares in 4 ways, for example, as 23629321 + 21418384 = 4861^2 + 4628^2 .

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 45047705 - 214 = 45031321 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264902 + ... + 265071.

It is an arithmetic number, because the mean of its divisors is an integer number (7154649).

Almost surely, 245047705 is an apocalyptic number.

It is an amenable number.

45047705 is a deficient number, since it is larger than the sum of its proper divisors (12189487).

45047705 is a wasteful number, since it uses less digits than its factorization.

45047705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529995.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 45047705 is about 6711.7587113960. The cubic root of 45047705 is about 355.8149761304.

The spelling of 45047705 in words is "forty-five million, forty-seven thousand, seven hundred five".

Divisors: 1 5 17 85 529973 2649865 9009541 45047705