Search a number
-
+
42589349 = 113871759
BaseRepresentation
bin1010001001110…
…1110010100101
32222010202121022
42202131302211
541400324344
64120500525
71025001125
oct242356245
988122538
1042589349
112204a010
121231a745
138a922ca
145928c85
153b140ee
hex289dca5

42589349 has 4 divisors (see below), whose sum is σ = 46461120. Its totient is φ = 38717580.

The previous prime is 42589321. The next prime is 42589357. The reversal of 42589349 is 94398524.

42589349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42589349 - 28 = 42589093 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 (42589549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1935869 + ... + 1935890.

It is an arithmetic number, because the mean of its divisors is an integer number (11615280).

Almost surely, 242589349 is an apocalyptic number.

It is an amenable number.

42589349 is a deficient number, since it is larger than the sum of its proper divisors (3871771).

42589349 is a wasteful number, since it uses less digits than its factorization.

42589349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871770.

The product of its digits is 311040, while the sum is 44.

The square root of 42589349 is about 6526.0515627752. The cubic root of 42589349 is about 349.2209857589.

The spelling of 42589349 in words is "forty-two million, five hundred eighty-nine thousand, three hundred forty-nine".

Divisors: 1 11 3871759 42589349