Search a number
-
+
53381810 = 2510351827
BaseRepresentation
bin1100101110100…
…0101010110010
310201110002002002
43023220222302
5102131204220
65144054002
71215511046
oct313505262
9121402062
1053381810
11281505a9
1215a64302
13b0a0791
147138026
154a46c75
hex32e8ab2

53381810 has 16 divisors (see below), whose sum is σ = 97022016. Its totient is φ = 21145008.

The previous prime is 53381803. The next prime is 53381863. The reversal of 53381810 is 1818335.

53381810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×533818102 = 5699235277752200, which contains 22 as substring.

It is an unprimeable number.

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, 24884 + ... + 26943.

It is an arithmetic number, because the mean of its divisors is an integer number (6063876).

Almost surely, 253381810 is an apocalyptic number.

53381810 is a deficient number, since it is larger than the sum of its proper divisors (43640206).

53381810 is a wasteful number, since it uses less digits than its factorization.

53381810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51937.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 53381810 is about 7306.2856500413. The cubic root of 53381810 is about 376.5284227411.

The spelling of 53381810 in words is "fifty-three million, three hundred eighty-one thousand, eight hundred ten".

Divisors: 1 2 5 10 103 206 515 1030 51827 103654 259135 518270 5338181 10676362 26690905 53381810