Search a number
-
+
228364774 = 211173731637
BaseRepresentation
bin11011001110010…
…01000111100110
3120220201010120121
431213021013212
5431430133044
634354352154
75442032341
oct1547110746
9526633517
10228364774
111079a6920
126458b65a
1338408bb1
1422487458
15150ad984
hexd9c91e6

228364774 has 32 divisors (see below), whose sum is σ = 396972576. Its totient is φ = 97374720.

The previous prime is 228364771. The next prime is 228364783. The reversal of 228364774 is 477463822.

228364774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228364774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228364771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138684 + ... + 140320.

It is an arithmetic number, because the mean of its divisors is an integer number (12405393).

Almost surely, 2228364774 is an apocalyptic number.

228364774 is a deficient number, since it is larger than the sum of its proper divisors (168607802).

228364774 is a wasteful number, since it uses less digits than its factorization.

228364774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its digits is 451584, while the sum is 43.

The square root of 228364774 is about 15111.7429173474. The cubic root of 228364774 is about 611.2370970689.

The spelling of 228364774 in words is "two hundred twenty-eight million, three hundred sixty-four thousand, seven hundred seventy-four".

Divisors: 1 2 11 17 22 34 187 373 374 746 1637 3274 4103 6341 8206 12682 18007 27829 36014 55658 69751 139502 306119 610601 612238 1221202 6716611 10380217 13433222 20760434 114182387 228364774