Search a number
-
+
42024274 = 221012137
BaseRepresentation
bin1010000001001…
…1110101010010
32221002001110121
42200103311102
541224234044
64100420454
71020125515
oct240236522
987061417
1042024274
11217a3506
12120a772a
138925046
14581cd7c
153a51984
hex2813d52

42024274 has 4 divisors (see below), whose sum is σ = 63036414. Its totient is φ = 21012136.

The previous prime is 42024271. The next prime is 42024293. The reversal of 42024274 is 47242024.

It is a happy number.

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., 23474025 + 18550249 = 4845^2 + 4307^2 .

It is not an unprimeable number, because it can be changed into a prime (42024271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506067 + ... + 10506070.

Almost surely, 242024274 is an apocalyptic number.

42024274 is a deficient number, since it is larger than the sum of its proper divisors (21012140).

42024274 is a wasteful number, since it uses less digits than its factorization.

42024274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012139.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 42024274 is about 6482.6132076501. The cubic root of 42024274 is about 347.6696175209.

Adding to 42024274 its reverse (47242024), we get a palindrome (89266298).

The spelling of 42024274 in words is "forty-two million, twenty-four thousand, two hundred seventy-four".

Divisors: 1 2 21012137 42024274