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42436263 = 3123111491
BaseRepresentation
bin1010000111100…
…0011010100111
32221211222121110
42201320122213
541330430023
64113320103
71023462612
oct241703247
987758543
1042436263
1121a54aa1
1212266033
138a3a71c
1458c9179
153ad3a93
hex28786a7

42436263 has 8 divisors (see below), whose sum is σ = 56632576. Its totient is φ = 28265400.

The previous prime is 42436249. The next prime is 42436279. The reversal of 42436263 is 36263424.

It is a happy number.

42436263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42436263 - 28 = 42436007 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 42436263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42436223) 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 7 ways as a sum of consecutive naturals, for example, 2053 + ... + 9438.

It is an arithmetic number, because the mean of its divisors is an integer number (7079072).

Almost surely, 242436263 is an apocalyptic number.

42436263 is a deficient number, since it is larger than the sum of its proper divisors (14196313).

42436263 is a wasteful number, since it uses less digits than its factorization.

42436263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12725.

The product of its digits is 20736, while the sum is 30.

The square root of 42436263 is about 6514.3121662997. The cubic root of 42436263 is about 348.8020623449.

Adding to 42436263 its reverse (36263424), we get a palindrome (78699687).

The spelling of 42436263 in words is "forty-two million, four hundred thirty-six thousand, two hundred sixty-three".

Divisors: 1 3 1231 3693 11491 34473 14145421 42436263