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42758255 = 561140191
BaseRepresentation
bin1010001100011…
…1000001101111
32222110100022002
42203013001233
541421231010
64124242515
71026303431
oct243070157
988410262
1042758255
1122154a01
12123a043b
138b21157
145970651
153b491a5
hex28c706f

42758255 has 8 divisors (see below), whose sum is σ = 52151424. Its totient is φ = 33645600.

The previous prime is 42758239. The next prime is 42758293. The reversal of 42758255 is 55285724.

42758255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42758255 - 24 = 42758239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69791 + ... + 70400.

It is an arithmetic number, because the mean of its divisors is an integer number (6518928).

Almost surely, 242758255 is an apocalyptic number.

42758255 is a deficient number, since it is larger than the sum of its proper divisors (9393169).

42758255 is a wasteful number, since it uses less digits than its factorization.

42758255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140257.

The product of its digits is 112000, while the sum is 38.

The square root of 42758255 is about 6538.9796604669. The cubic root of 42758255 is about 349.6820377610.

The spelling of 42758255 in words is "forty-two million, seven hundred fifty-eight thousand, two hundred fifty-five".

Divisors: 1 5 61 305 140191 700955 8551651 42758255