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45009769 = 729221723
BaseRepresentation
bin1010101110110…
…0101101101001
310010200201210111
42223230231221
543010303034
64244414321
71054401550
oct253545551
9103621714
1045009769
1123452562
12130a73a1
13942bbcc
145d98d97
153e41364
hex2aecb69

45009769 has 8 divisors (see below), whose sum is σ = 53213760. Its totient is φ = 37249296.

The previous prime is 45009763. The next prime is 45009793. The reversal of 45009769 is 96790054.

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

It is not a de Polignac number, because 45009769 - 27 = 45009641 is a prime.

It is a super-2 number, since 2×450097692 = 4051758610866722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45009763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110659 + ... + 111064.

It is an arithmetic number, because the mean of its divisors is an integer number (6651720).

Almost surely, 245009769 is an apocalyptic number.

It is an amenable number.

45009769 is a deficient number, since it is larger than the sum of its proper divisors (8203991).

45009769 is a wasteful number, since it uses less digits than its factorization.

45009769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221759.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 45009769 is about 6708.9320312550. The cubic root of 45009769 is about 355.7150673205.

The spelling of 45009769 in words is "forty-five million, nine thousand, seven hundred sixty-nine".

Divisors: 1 7 29 203 221723 1552061 6429967 45009769