Search a number
-
+
42763239 = 3234713693
BaseRepresentation
bin1010001100100…
…0001111100111
32222110121010200
42203020033213
541421410424
64124321543
71026324111
oct243101747
988417120
1042763239
1122158722
12123a32b3
138b234bc
1459723b1
153b4a8c9
hex28c83e7

42763239 has 12 divisors (see below), whose sum is σ = 61951656. Its totient is φ = 28424592.

The previous prime is 42763183. The next prime is 42763261. The reversal of 42763239 is 93236724.

It is a happy number.

42763239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42763239 - 27 = 42763111 is a prime.

It is a super-2 number, since 2×427632392 = 3657389219542242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42763289) 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 11 ways as a sum of consecutive naturals, for example, 3724 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (5162638).

Almost surely, 242763239 is an apocalyptic number.

42763239 is a deficient number, since it is larger than the sum of its proper divisors (19188417).

42763239 is a wasteful number, since it uses less digits than its factorization.

42763239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046 (or 14043 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 42763239 is about 6539.3607485747. The cubic root of 42763239 is about 349.6956238125.

The spelling of 42763239 in words is "forty-two million, seven hundred sixty-three thousand, two hundred thirty-nine".

Divisors: 1 3 9 347 1041 3123 13693 41079 123237 4751471 14254413 42763239