Search a number
-
+
228254305 = 5537910903
BaseRepresentation
bin11011001101011…
…10001001100001
3120220111112001011
431212232021201
5431413114210
634352140521
75441062306
oct1546561141
9526445034
10228254305
11107930924
1264537741
133839a826
14224590ad
151508ad8a
hexd9ae261

228254305 has 16 divisors (see below), whose sum is σ = 282631680. Its totient is φ = 176874048.

The previous prime is 228254287. The next prime is 228254309. The reversal of 228254305 is 503452822.

228254305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228254305 - 29 = 228253793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228254309) 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, 15484 + ... + 26386.

It is an arithmetic number, because the mean of its divisors is an integer number (17664480).

Almost surely, 2228254305 is an apocalyptic number.

It is an amenable number.

228254305 is a deficient number, since it is larger than the sum of its proper divisors (54377375).

228254305 is a wasteful number, since it uses less digits than its factorization.

228254305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 228254305 is about 15108.0874037715. The cubic root of 228254305 is about 611.1385213846.

The spelling of 228254305 in words is "two hundred twenty-eight million, two hundred fifty-four thousand, three hundred five".

Divisors: 1 5 53 79 265 395 4187 10903 20935 54515 577859 861337 2889295 4306685 45650861 228254305