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228254361 = 376084787
BaseRepresentation
bin11011001101011…
…10001010011001
3120220111112010020
431212232022121
5431413114421
634352141053
75441062416
oct1546561231
9526445106
10228254361
11107930975
1264537789
133839a86a
142245910d
151508adc6
hexd9ae299

228254361 has 4 divisors (see below), whose sum is σ = 304339152. Its totient is φ = 152169572.

The previous prime is 228254347. The next prime is 228254381. The reversal of 228254361 is 163452822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228254361 - 25 = 228254329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228254381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38042391 + ... + 38042396.

It is an arithmetic number, because the mean of its divisors is an integer number (76084788).

Almost surely, 2228254361 is an apocalyptic number.

It is an amenable number.

228254361 is a deficient number, since it is larger than the sum of its proper divisors (76084791).

228254361 is an equidigital number, since it uses as much as digits as its factorization.

228254361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76084790.

The product of its digits is 23040, while the sum is 33.

The square root of 228254361 is about 15108.0892570834. The cubic root of 228254361 is about 611.1385713635.

The spelling of 228254361 in words is "two hundred twenty-eight million, two hundred fifty-four thousand, three hundred sixty-one".

Divisors: 1 3 76084787 228254361