Search a number
-
+
63242105 = 512648421
BaseRepresentation
bin1111000100111…
…1111101111001
311102000000212012
43301033331321
5112142221410
610135255305
71365356213
oct361177571
9142000765
1063242105
1132775803
121921a535
1310143884
1485835b3
155843605
hex3c4ff79

63242105 has 4 divisors (see below), whose sum is σ = 75890532. Its totient is φ = 50593680.

The previous prime is 63242087. The next prime is 63242143. The reversal of 63242105 is 50124236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15618304 + 47623801 = 3952^2 + 6901^2 .

It is not a de Polignac number, because 63242105 - 220 = 62193529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6324206 + ... + 6324215.

It is an arithmetic number, because the mean of its divisors is an integer number (18972633).

Almost surely, 263242105 is an apocalyptic number.

It is an amenable number.

63242105 is a deficient number, since it is larger than the sum of its proper divisors (12648427).

63242105 is a wasteful number, since it uses less digits than its factorization.

63242105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12648426.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 63242105 is about 7952.4904904061. The cubic root of 63242105 is about 398.4147780609.

The spelling of 63242105 in words is "sixty-three million, two hundred forty-two thousand, one hundred five".

Divisors: 1 5 12648421 63242105