[go: up one dir, main page]

Search a number
-
+
28341688 = 2331114281
BaseRepresentation
bin110110000011…
…1010110111000
31222022220111011
41230013112320
524223413223
62451243304
7462620554
oct154072670
958286434
1028341688
1114aa8591
1295a9534
135b4423b
143a9a864
15274c80d
hex1b075b8

28341688 has 16 divisors (see below), whose sum is σ = 54855360. Its totient is φ = 13713600.

The previous prime is 28341661. The next prime is 28341689. The reversal of 28341688 is 88614382.

It is a self number, because there is not a number n which added to its sum of digits gives 28341688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341689) 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 3 ways as a sum of consecutive naturals, for example, 56893 + ... + 57388.

It is an arithmetic number, because the mean of its divisors is an integer number (3428460).

Almost surely, 228341688 is an apocalyptic number.

It is an amenable number.

28341688 is a deficient number, since it is larger than the sum of its proper divisors (26513672).

28341688 is a wasteful number, since it uses less digits than its factorization.

28341688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114318 (or 114314 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 28341688 is about 5323.6912006614. The cubic root of 28341688 is about 304.8891041792.

The spelling of 28341688 in words is "twenty-eight million, three hundred forty-one thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 31 62 124 248 114281 228562 457124 914248 3542711 7085422 14170844 28341688