Search a number
-
+
53786378 = 2194332917
BaseRepresentation
bin1100110100101…
…1011100001010
310202012122001002
43031023130022
5102232131003
65200455002
71222114412
oct315133412
9122178032
1053786378
11283a7558
121601a462
13b1b2979
147201642
154ac6a88
hex334b70a

53786378 has 16 divisors (see below), whose sum is σ = 86903520. Its totient is φ = 24884496.

The previous prime is 53786371. The next prime is 53786389. The reversal of 53786378 is 87368735.

53786378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53786371) 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 7 ways as a sum of consecutive naturals, for example, 14825 + ... + 18092.

It is an arithmetic number, because the mean of its divisors is an integer number (5431470).

Almost surely, 253786378 is an apocalyptic number.

53786378 is a deficient number, since it is larger than the sum of its proper divisors (33117142).

53786378 is a wasteful number, since it uses less digits than its factorization.

53786378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32981.

The product of its digits is 846720, while the sum is 47.

The square root of 53786378 is about 7333.9196886794. The cubic root of 53786378 is about 377.4772361754.

The spelling of 53786378 in words is "fifty-three million, seven hundred eighty-six thousand, three hundred seventy-eight".

Divisors: 1 2 19 38 43 86 817 1634 32917 65834 625423 1250846 1415431 2830862 26893189 53786378