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45217345 = 556316063
BaseRepresentation
bin1010110001111…
…1011001000001
310011002021112111
42230133121001
543033423340
64253055321
71056224665
oct254373101
9104067474
1045217345
1123584508
1213187541
1394a2534
1460108a5
153e82aea
hex2b1f641

45217345 has 8 divisors (see below), whose sum is σ = 54360576. Its totient is φ = 36107376.

The previous prime is 45217343. The next prime is 45217357. The reversal of 45217345 is 54371254.

45217345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45217345 - 21 = 45217343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45217343) 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 7 ways as a sum of consecutive naturals, for example, 5217 + ... + 10846.

It is an arithmetic number, because the mean of its divisors is an integer number (6795072).

Almost surely, 245217345 is an apocalyptic number.

It is an amenable number.

45217345 is a deficient number, since it is larger than the sum of its proper divisors (9143231).

45217345 is a wasteful number, since it uses less digits than its factorization.

45217345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16631.

The product of its digits is 16800, while the sum is 31.

The square root of 45217345 is about 6724.3843584376. The cubic root of 45217345 is about 356.2610576233.

Adding to 45217345 its reverse (54371254), we get a palindrome (99588599).

The spelling of 45217345 in words is "forty-five million, two hundred seventeen thousand, three hundred forty-five".

Divisors: 1 5 563 2815 16063 80315 9043469 45217345