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45051533 = 378913681
BaseRepresentation
bin1010101111011…
…0111010001101
310010202212002022
42223312322031
543013122113
64245335525
71054634402
oct253667215
9103685068
1045051533
112348097a
12131075a5
139444c17
145daa2a9
153e4d908
hex2af6e8d

45051533 has 8 divisors (see below), whose sum is σ = 46792440. Its totient is φ = 43338240.

The previous prime is 45051511. The next prime is 45051541. The reversal of 45051533 is 33515054.

It can be written as a sum of positive squares in 4 ways, for example, as 19518724 + 25532809 = 4418^2 + 5053^2 .

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 45051533 - 220 = 44002957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45051593) 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, 3548 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (5849055).

Almost surely, 245051533 is an apocalyptic number.

It is an amenable number.

45051533 is a deficient number, since it is larger than the sum of its proper divisors (1740907).

45051533 is a wasteful number, since it uses less digits than its factorization.

45051533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 45051533 is about 6712.0438764954. The cubic root of 45051533 is about 355.8250544918.

Adding to 45051533 its reverse (33515054), we get a palindrome (78566587).

The spelling of 45051533 in words is "forty-five million, fifty-one thousand, five hundred thirty-three".

Divisors: 1 37 89 3293 13681 506197 1217609 45051533