Search a number
-
+
28347474382 = 228375766161
BaseRepresentation
bin11010011001101001…
…000010000111001110
32201011120202220101121
4122121221002013032
5431023423140012
621004520431154
72022322361623
oct323151020716
981146686347
1028347474382
1111027457087
1255b16184ba
132899bcb4a6
14152cba034a
15b0da01a07
hex699a421ce

28347474382 has 16 divisors (see below), whose sum is σ = 42728478192. Its totient is φ = 14104782720.

The previous prime is 28347474359. The next prime is 28347474383.

28347474382 is nontrivially palindromic in base 10.

28347474382 is digitally balanced in base 5, 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 (28347474383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395382 + ... + 461542.

It is an arithmetic number, because the mean of its divisors is an integer number (2670529887).

Almost surely, 228347474382 is an apocalyptic number.

28347474382 is a deficient number, since it is larger than the sum of its proper divisors (14381003810).

28347474382 is a wasteful number, since it uses less digits than its factorization.

28347474382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67203.

The product of its digits is 7225344, while the sum is 52.

The spelling of 28347474382 in words is "twenty-eight billion, three hundred forty-seven million, four hundred seventy-four thousand, three hundred eighty-two".

Divisors: 1 2 283 566 757 1514 66161 132322 214231 428462 18723563 37447126 50083877 100167754 14173737191 28347474382