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42554441 = 293311467
BaseRepresentation
bin1010001001010…
…1010001001001
32222001222201102
42202111101021
541343220231
64120031145
71024464266
oct242252111
988058642
1042554441
1122025866
12123024b5
138a7c457
14591a26d
153b08acb
hex2895449

42554441 has 8 divisors (see below), whose sum is σ = 42928704. Its totient is φ = 42182320.

The previous prime is 42554381. The next prime is 42554443. The reversal of 42554441 is 14445524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42554441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42554443) 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, 90890 + ... + 91356.

It is an arithmetic number, because the mean of its divisors is an integer number (5366088).

Almost surely, 242554441 is an apocalyptic number.

It is an amenable number.

42554441 is a deficient number, since it is larger than the sum of its proper divisors (374263).

42554441 is a wasteful number, since it uses less digits than its factorization.

42554441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its digits is 12800, while the sum is 29.

The square root of 42554441 is about 6523.3765030082. The cubic root of 42554441 is about 349.1255476692.

Adding to 42554441 its reverse (14445524), we get a palindrome (56999965).

The spelling of 42554441 in words is "forty-two million, five hundred fifty-four thousand, four hundred forty-one".

Divisors: 1 293 311 467 91123 136831 145237 42554441