Search a number
-
+
42641146 = 289239557
BaseRepresentation
bin1010001010101…
…0011011111010
32222020101122201
42202222123322
541404004041
64121540414
71025305132
oct242523372
988211581
1042641146
1122084a19
121234470a
138aaca62
14593dac2
153b24631
hex28aa6fa

42641146 has 8 divisors (see below), whose sum is σ = 64680660. Its totient is φ = 21080928.

The previous prime is 42641141. The next prime is 42641147. The reversal of 42641146 is 64114624.

It can be written as a sum of positive squares in 2 ways, for example, as 39200121 + 3441025 = 6261^2 + 1855^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42641141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119601 + ... + 119956.

Almost surely, 242641146 is an apocalyptic number.

42641146 is a deficient number, since it is larger than the sum of its proper divisors (22039514).

42641146 is a wasteful number, since it uses less digits than its factorization.

42641146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239648.

The product of its digits is 4608, while the sum is 28.

The square root of 42641146 is about 6530.0188361137. The cubic root of 42641146 is about 349.3625021371.

The spelling of 42641146 in words is "forty-two million, six hundred forty-one thousand, one hundred forty-six".

Divisors: 1 2 89 178 239557 479114 21320573 42641146