Search a number
-
+
42741274 = 2161313249
BaseRepresentation
bin1010001100001…
…0111000011010
32222102111000011
42203002320122
541420210044
64124032134
71026203062
oct243027032
988374004
1042741274
1122143174
121239264a
138b164c4
1459683a2
153b44134
hex28c2e1a

42741274 has 8 divisors (see below), whose sum is σ = 64156500. Its totient is φ = 21355776.

The previous prime is 42741227. The next prime is 42741289. The reversal of 42741274 is 47214724.

It can be written as a sum of positive squares in 2 ways, for example, as 42575625 + 165649 = 6525^2 + 407^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3399 + ... + 9850.

Almost surely, 242741274 is an apocalyptic number.

42741274 is a deficient number, since it is larger than the sum of its proper divisors (21415226).

42741274 is a wasteful number, since it uses less digits than its factorization.

42741274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864.

The product of its digits is 12544, while the sum is 31.

The square root of 42741274 is about 6537.6810873581. The cubic root of 42741274 is about 349.6357407600.

Adding to 42741274 its reverse (47214724), we get a palindrome (89955998).

The spelling of 42741274 in words is "forty-two million, seven hundred forty-one thousand, two hundred seventy-four".

Divisors: 1 2 1613 3226 13249 26498 21370637 42741274