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42311053 = 231839611
BaseRepresentation
bin1010000101100…
…1110110001101
32221121121212001
42201121312031
541312423203
64110512301
71022431561
oct241316615
987547761
1042311053
1121979a14
1212205691
1389c5735
1458956a1
153aab91d
hex2859d8d

42311053 has 4 divisors (see below), whose sum is σ = 44150688. Its totient is φ = 40471420.

The previous prime is 42311033. The next prime is 42311089. The reversal of 42311053 is 35011324.

42311053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42311053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42311053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919783 + ... + 919828.

It is an arithmetic number, because the mean of its divisors is an integer number (11037672).

Almost surely, 242311053 is an apocalyptic number.

It is an amenable number.

42311053 is a deficient number, since it is larger than the sum of its proper divisors (1839635).

42311053 is a wasteful number, since it uses less digits than its factorization.

42311053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839634.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 42311053 is about 6504.6946892225. The cubic root of 42311053 is about 348.4586726180.

Adding to 42311053 its reverse (35011324), we get a palindrome (77322377).

It can be divided in two parts, 423 and 11053, that added together give a triangular number (11476 = T151).

The spelling of 42311053 in words is "forty-two million, three hundred eleven thousand, fifty-three".

Divisors: 1 23 1839611 42311053