Search a number
-
+
28107164 = 227026791
BaseRepresentation
bin110101100111…
…0000110011100
31221212222210002
41223032012130
524143412124
62442233432
7460623041
oct153160634
957788702
1028107164
1114958368
1294b5878
135a91577
143a391c8
1527030ae
hex1ace19c

28107164 has 6 divisors (see below), whose sum is σ = 49187544. Its totient is φ = 14053580.

The previous prime is 28107151. The next prime is 28107193. The reversal of 28107164 is 46170182.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3513392 + ... + 3513399.

It is an arithmetic number, because the mean of its divisors is an integer number (8197924).

Almost surely, 228107164 is an apocalyptic number.

It is an amenable number.

28107164 is a deficient number, since it is larger than the sum of its proper divisors (21080380).

28107164 is a wasteful number, since it uses less digits than its factorization.

28107164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026795 (or 7026793 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 28107164 is about 5301.6189980043. The cubic root of 28107164 is about 304.0458004632.

The spelling of 28107164 in words is "twenty-eight million, one hundred seven thousand, one hundred sixty-four".

Divisors: 1 2 4 7026791 14053582 28107164