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45442111 = 1113317777
BaseRepresentation
bin1010110101011…
…0010000111111
310011111200212011
42231112100333
543113121421
64301552051
71061152201
oct255262077
9104450764
1045442111
1123718370
1213275627
139550930
14606c771
153ec94e1
hex2b5643f

45442111 has 8 divisors (see below), whose sum is σ = 53386704. Its totient is φ = 38133120.

The previous prime is 45442109. The next prime is 45442123. The reversal of 45442111 is 11124454.

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 45442111 - 21 = 45442109 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 (45442511) 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, 158746 + ... + 159031.

It is an arithmetic number, because the mean of its divisors is an integer number (6673338).

Almost surely, 245442111 is an apocalyptic number.

45442111 is a deficient number, since it is larger than the sum of its proper divisors (7944593).

45442111 is a wasteful number, since it uses less digits than its factorization.

45442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317801.

The product of its digits is 640, while the sum is 22.

The square root of 45442111 is about 6741.0763977276. The cubic root of 45442111 is about 356.8503820573.

Adding to 45442111 its reverse (11124454), we get a palindrome (56566565).

The spelling of 45442111 in words is "forty-five million, four hundred forty-two thousand, one hundred eleven".

Divisors: 1 11 13 143 317777 3495547 4131101 45442111