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42544255 = 513654527
BaseRepresentation
bin1010001001001…
…0110001111111
32222001110202011
42202102301333
541342404010
64115512051
71024422505
oct242226177
988043664
1042544255
1122019146
12122b8627
138a77920
145916675
153b05a8a
hex2892c7f

42544255 has 8 divisors (see below), whose sum is σ = 54980352. Its totient is φ = 31417248.

The previous prime is 42544237. The next prime is 42544261. The reversal of 42544255 is 55244524.

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 42544255 - 27 = 42544127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327199 + ... + 327328.

It is an arithmetic number, because the mean of its divisors is an integer number (6872544).

Almost surely, 242544255 is an apocalyptic number.

42544255 is a deficient number, since it is larger than the sum of its proper divisors (12436097).

42544255 is a wasteful number, since it uses less digits than its factorization.

42544255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654545.

The product of its digits is 32000, while the sum is 31.

The square root of 42544255 is about 6522.5957256295. The cubic root of 42544255 is about 349.0976894205.

Adding to 42544255 its reverse (55244524), we get a palindrome (97788779).

The spelling of 42544255 in words is "forty-two million, five hundred forty-four thousand, two hundred fifty-five".

Divisors: 1 5 13 65 654527 3272635 8508851 42544255