Search a number
-
+
53808427 = 291855463
BaseRepresentation
bin1100110101000…
…0110100101011
310202020202021201
43031100310223
5102233332202
65201145031
71222235611
oct315206453
9122222251
1053808427
1128412082
121602b177
13b1bca0a
1472096b1
154acd387
hex3350d2b

53808427 has 4 divisors (see below), whose sum is σ = 55663920. Its totient is φ = 51952936.

The previous prime is 53808407. The next prime is 53808463. The reversal of 53808427 is 72480835.

53808427 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 53808427 - 27 = 53808299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53808407) 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, 927703 + ... + 927760.

It is an arithmetic number, because the mean of its divisors is an integer number (13915980).

Almost surely, 253808427 is an apocalyptic number.

53808427 is a deficient number, since it is larger than the sum of its proper divisors (1855493).

53808427 is a wasteful number, since it uses less digits than its factorization.

53808427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855492.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 53808427 is about 7335.4227553700. The cubic root of 53808427 is about 377.5288096955.

The spelling of 53808427 in words is "fifty-three million, eight hundred eight thousand, four hundred twenty-seven".

Divisors: 1 29 1855463 53808427