Search a number
-
+
63742223 = 232771401
BaseRepresentation
bin1111001100101…
…0000100001111
311102221102220002
43303022010033
5112304222343
610154114515
71402541246
oct363120417
9142842802
1063742223
1132a87526
121941ba3b
131028a3bc
14867395d
1558e18b8
hex3cca10f

63742223 has 4 divisors (see below), whose sum is σ = 66513648. Its totient is φ = 60970800.

The previous prime is 63742201. The next prime is 63742229. The reversal of 63742223 is 32224736.

63742223 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.

It is a cyclic number.

It is not a de Polignac number, because 63742223 - 212 = 63738127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63742229) 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, 1385678 + ... + 1385723.

It is an arithmetic number, because the mean of its divisors is an integer number (16628412).

Almost surely, 263742223 is an apocalyptic number.

63742223 is a deficient number, since it is larger than the sum of its proper divisors (2771425).

63742223 is a wasteful number, since it uses less digits than its factorization.

63742223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771424.

The product of its digits is 12096, while the sum is 29.

The square root of 63742223 is about 7983.8726818506. The cubic root of 63742223 is about 399.4622419480.

Adding to 63742223 its reverse (32224736), we get a palindrome (95966959).

The spelling of 63742223 in words is "sixty-three million, seven hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 23 2771401 63742223