Search a number
-
+
42263011 = 719476761
BaseRepresentation
bin1010000100111…
…0000111100011
32221112011221201
42201032013203
541304404021
64105502031
71022141530
oct241160743
987464851
1042263011
112194690a
12121a1917
1389a98cb
145881d87
153a9c591
hex284e1e3

42263011 has 16 divisors (see below), whose sum is σ = 51932160. Its totient is φ = 33583680.

The previous prime is 42263009. The next prime is 42263021. The reversal of 42263011 is 11036224.

It is a cyclic number.

It is not a de Polignac number, because 42263011 - 21 = 42263009 is a prime.

It is a super-2 number, since 2×422630112 = 3572324197572242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 42263011.

It is not an unprimeable number, because it can be changed into a prime (42263021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2871 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (3245760).

Almost surely, 242263011 is an apocalyptic number.

42263011 is a deficient number, since it is larger than the sum of its proper divisors (9669149).

42263011 is a wasteful number, since it uses less digits than its factorization.

42263011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42263011 is about 6501.0007691124. Note that the first 3 decimals coincide. The cubic root of 42263011 is about 348.3267371038.

Adding to 42263011 its reverse (11036224), we get a palindrome (53299235).

The spelling of 42263011 in words is "forty-two million, two hundred sixty-three thousand, eleven".

Divisors: 1 7 19 47 133 329 893 6251 6761 47327 128459 317767 899213 2224369 6037573 42263011