Search a number
-
+
53894193 = 317964731
BaseRepresentation
bin1100110110010…
…1110000110001
310202102002221020
43031211300301
5102244103233
65203050053
71223043633
oct315456061
9122362836
1053894193
1128470561
1216070929
13b21ca72
14722ca53
154ae89b3
hex3365c31

53894193 has 4 divisors (see below), whose sum is σ = 71858928. Its totient is φ = 35929460.

The previous prime is 53894189. The next prime is 53894201. The reversal of 53894193 is 39149835.

53894193 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53894193 - 22 = 53894189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53894143) 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, 8982363 + ... + 8982368.

It is an arithmetic number, because the mean of its divisors is an integer number (17964732).

Almost surely, 253894193 is an apocalyptic number.

It is an amenable number.

53894193 is a deficient number, since it is larger than the sum of its proper divisors (17964735).

53894193 is a wasteful number, since it uses less digits than its factorization.

53894193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17964734.

The product of its digits is 116640, while the sum is 42.

The square root of 53894193 is about 7341.2664438774. The cubic root of 53894193 is about 377.7292860256.

The spelling of 53894193 in words is "fifty-three million, eight hundred ninety-four thousand, one hundred ninety-three".

Divisors: 1 3 17964731 53894193