Search a number
-
+
53786388 = 22334712917
BaseRepresentation
bin1100110100101…
…1011100010100
310202012122001110
43031023130110
5102232131023
65200455020
71222114425
oct315133424
9122178043
1053786388
11283a7567
121601a470
13b1b2986
14720164c
154ac6a93
hex334b714

53786388 has 24 divisors (see below), whose sum is σ = 125872992. Its totient is φ = 17875744.

The previous prime is 53786371. The next prime is 53786389. The reversal of 53786388 is 88368735.

It is a happy number.

53786388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53786389) 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, 2295 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (5244708).

Almost surely, 253786388 is an apocalyptic number.

It is an amenable number.

53786388 is an abundant number, since it is smaller than the sum of its proper divisors (72086604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53786388 is a wasteful number, since it uses less digits than its factorization.

53786388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13271 (or 13269 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 53786388 is about 7333.9203704431. The cubic root of 53786388 is about 377.4772595690.

The spelling of 53786388 in words is "fifty-three million, seven hundred eighty-six thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 347 694 1041 1388 2082 4164 12917 25834 38751 51668 77502 155004 4482199 8964398 13446597 17928796 26893194 53786388