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42585895 = 511774289
BaseRepresentation
bin1010001001110…
…0111100100111
32222010120212101
42202130330213
541400222040
64120432531
71024655062
oct242347447
988116771
1042585895
1122047460
1212318747
138a90871
1459278d9
153b1309a
hex289cf27

42585895 has 8 divisors (see below), whose sum is σ = 55748880. Its totient is φ = 30971520.

The previous prime is 42585887. The next prime is 42585899. The reversal of 42585895 is 59858524.

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

It is not a de Polignac number, because 42585895 - 23 = 42585887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42585899) 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, 387090 + ... + 387199.

It is an arithmetic number, because the mean of its divisors is an integer number (6968610).

Almost surely, 242585895 is an apocalyptic number.

42585895 is a deficient number, since it is larger than the sum of its proper divisors (13162985).

42585895 is a wasteful number, since it uses less digits than its factorization.

42585895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774305.

The product of its digits is 576000, while the sum is 46.

The square root of 42585895 is about 6525.7869257278. The cubic root of 42585895 is about 349.2115448860.

It can be divided in two parts, 4258 and 5895, that added together give a triangular number (10153 = T142).

The spelling of 42585895 in words is "forty-two million, five hundred eighty-five thousand, eight hundred ninety-five".

Divisors: 1 5 11 55 774289 3871445 8517179 42585895