Search a number
-
+
228569004 = 22326349139
BaseRepresentation
bin11011001111110…
…10111110101100
3120221002111201200
431213322332230
5432003202004
634403005500
75443542636
oct1547727654
9527074650
10228569004
11108026304
1264669890
133847ab41
14224dba56
15150ee239
hexd9fafac

228569004 has 18 divisors (see below), whose sum is σ = 577771740. Its totient is φ = 76189656.

The previous prime is 228568919. The next prime is 228569021. The reversal of 228569004 is 400965822.

It is a happy number.

228569004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6349139 = 228569004 / (2 + 2 + 8 + 5 + 6 + 9 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 228569004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3174534 + ... + 3174605.

It is an arithmetic number, because the mean of its divisors is an integer number (32098430).

Almost surely, 2228569004 is an apocalyptic number.

It is an amenable number.

228569004 is an abundant number, since it is smaller than the sum of its proper divisors (349202736).

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

228569004 is a wasteful number, since it uses less digits than its factorization.

228569004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349149 (or 6349144 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 228569004 is about 15118.4987349935. The cubic root of 228569004 is about 611.4192555739.

It can be divided in two parts, 2285 and 69004, that added together give a square (71289 = 2672).

The spelling of 228569004 in words is "two hundred twenty-eight million, five hundred sixty-nine thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 6349139 12698278 19047417 25396556 38094834 57142251 76189668 114284502 228569004