Search a number
-
+
228336252 = 223109174569
BaseRepresentation
bin11011001110000…
…10001001111100
3120220122200110020
431213002021330
5431423230002
634354012140
75441553234
oct1547021174
9526580406
10228336252
11107987451
1264577050
13383c8c11
142247acc4
15150a52bc
hexd9c227c

228336252 has 24 divisors (see below), whose sum is σ = 537675600. Its totient is φ = 75413376.

The previous prime is 228336233. The next prime is 228336253. The reversal of 228336252 is 252633822.

228336252 is digitally balanced in base 2, 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 (228336253) 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, 85977 + ... + 88592.

It is an arithmetic number, because the mean of its divisors is an integer number (22403150).

Almost surely, 2228336252 is an apocalyptic number.

It is an amenable number.

228336252 is an abundant number, since it is smaller than the sum of its proper divisors (309339348).

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

228336252 is a wasteful number, since it uses less digits than its factorization.

228336252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174685 (or 174683 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 228336252 is about 15110.7991846891. The cubic root of 228336252 is about 611.2116488499.

The spelling of 228336252 in words is "two hundred twenty-eight million, three hundred thirty-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 174569 349138 523707 698276 1047414 2094828 19028021 38056042 57084063 76112084 114168126 228336252