Search a number
-
+
228345354 = 23233733761
BaseRepresentation
bin11011001110001…
…00011000001010
3120220200010221100
431213010120022
5431424022404
634354122230
75441621616
oct1547043012
9526603840
10228345354
11107993276
1264580376
13384000c3
1422480346
15150a7d39
hexd9c460a

228345354 has 24 divisors (see below), whose sum is σ = 495026532. Its totient is φ = 76072320.

The previous prime is 228345347. The next prime is 228345373. The reversal of 228345354 is 453543822.

It can be written as a sum of positive squares in 2 ways, for example, as 206583129 + 21762225 = 14373^2 + 4665^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58834 + ... + 62594.

Almost surely, 2228345354 is an apocalyptic number.

228345354 is an abundant number, since it is smaller than the sum of its proper divisors (266681178).

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

228345354 is a wasteful number, since it uses less digits than its factorization.

228345354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142 (or 7139 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 228345354 is about 15111.1003570223. The cubic root of 228345354 is about 611.2197701687.

The spelling of 228345354 in words is "two hundred twenty-eight million, three hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 3373 3761 6746 7522 10119 11283 20238 22566 30357 33849 60714 67698 12685853 25371706 38057559 76115118 114172677 228345354