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45089289 = 327751953
BaseRepresentation
bin1010110000000…
…0001000001001
310010211202212200
42230000020021
543020324124
64250230413
71055152440
oct254001011
9103752780
1045089289
11234a7283
1213125409
13945916b
145db9d57
153e59bc9
hex2b00209

45089289 has 24 divisors (see below), whose sum is σ = 74610432. Its totient is φ = 25704000.

The previous prime is 45089281. The next prime is 45089293. The reversal of 45089289 is 98298054.

It is not a de Polignac number, because 45089289 - 23 = 45089281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45089281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46837 + ... + 47789.

It is an arithmetic number, because the mean of its divisors is an integer number (3108768).

Almost surely, 245089289 is an apocalyptic number.

It is an amenable number.

45089289 is a deficient number, since it is larger than the sum of its proper divisors (29521143).

45089289 is a wasteful number, since it uses less digits than its factorization.

45089289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 45089289 is about 6714.8558435755. The cubic root of 45089289 is about 355.9244279472.

The spelling of 45089289 in words is "forty-five million, eighty-nine thousand, two hundred eighty-nine".

Divisors: 1 3 7 9 21 63 751 953 2253 2859 5257 6671 6759 8577 15771 20013 47313 60039 715703 2147109 5009921 6441327 15029763 45089289