Search a number
-
+
228435276 = 22319036273
BaseRepresentation
bin11011001110110…
…10010101001100
3120220211201021210
431213122111030
5431434412101
634400054420
75442445026
oct1547322514
9526751253
10228435276
11107a44893
1264604410
1338432004
14224a5016
15150c47d6
hexd9da54c

228435276 has 12 divisors (see below), whose sum is σ = 533015672. Its totient is φ = 76145088.

The previous prime is 228435217. The next prime is 228435289. The reversal of 228435276 is 672534822.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9518125 + ... + 9518148.

Almost surely, 2228435276 is an apocalyptic number.

It is an amenable number.

228435276 is an abundant number, since it is smaller than the sum of its proper divisors (304580396).

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

228435276 is a wasteful number, since it uses less digits than its factorization.

228435276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19036280 (or 19036278 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 228435276 is about 15114.0754265684. The cubic root of 228435276 is about 611.2999920638.

The spelling of 228435276 in words is "two hundred twenty-eight million, four hundred thirty-five thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 19036273 38072546 57108819 76145092 114217638 228435276