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45431441 = 1153149523
BaseRepresentation
bin1010110101001…
…1101010010001
310011111011012222
42231103222101
543112301231
64301430425
71061106116
oct255235221
9104434188
1045431441
1123710350
121326b415
139548b13
14606890d
153ec627b
hex2b53a91

45431441 has 16 divisors (see below), whose sum is σ = 50932800. Its totient is φ = 40173120.

The previous prime is 45431423. The next prime is 45431447. The reversal of 45431441 is 14413454.

It is a happy number.

45431441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45431441 - 26 = 45431377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45431441.

It is not an unprimeable number, because it can be changed into a prime (45431447) 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 15 ways as a sum of consecutive naturals, for example, 86606 + ... + 87128.

It is an arithmetic number, because the mean of its divisors is an integer number (3183300).

Almost surely, 245431441 is an apocalyptic number.

It is an amenable number.

45431441 is a deficient number, since it is larger than the sum of its proper divisors (5501359).

45431441 is a wasteful number, since it uses less digits than its factorization.

45431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 3840, while the sum is 26.

The square root of 45431441 is about 6740.2849346300. The cubic root of 45431441 is about 356.8224498776.

Adding to 45431441 its reverse (14413454), we get a palindrome (59844895).

The spelling of 45431441 in words is "forty-five million, four hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 11 53 149 523 583 1639 5753 7897 27719 77927 86867 304909 857197 4130131 45431441