Search a number
-
+
42019162 = 221009581
BaseRepresentation
bin1010000001001…
…0100101011010
32221001210110021
42200102211122
541224103122
64100341054
71020104563
oct240224532
987053407
1042019162
112179a689
12120a478a
138922913
14581b16a
153a501c7
hex281295a

42019162 has 4 divisors (see below), whose sum is σ = 63028746. Its totient is φ = 21009580.

The previous prime is 42019147. The next prime is 42019169. The reversal of 42019162 is 26191024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39200121 + 2819041 = 6261^2 + 1679^2 .

It is not an unprimeable number, because it can be changed into a prime (42019169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10504789 + ... + 10504792.

Almost surely, 242019162 is an apocalyptic number.

42019162 is a deficient number, since it is larger than the sum of its proper divisors (21009584).

42019162 is a wasteful number, since it uses less digits than its factorization.

42019162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21009583.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 42019162 is about 6482.2189102189. The cubic root of 42019162 is about 347.6555196438.

The spelling of 42019162 in words is "forty-two million, nineteen thousand, one hundred sixty-two".

Divisors: 1 2 21009581 42019162