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228144806 = 2114072403
BaseRepresentation
bin11011001100100…
…11011010100110
3120220021221211122
431212103122212
5431401113211
634345533542
75440125131
oct1546233246
9526257748
10228144806
1110786662a
12644a42b2
133835ca36
142242b218
15150686db
hexd9936a6

228144806 has 4 divisors (see below), whose sum is σ = 342217212. Its totient is φ = 114072402.

The previous prime is 228144803. The next prime is 228144817. The reversal of 228144806 is 608441822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57036200 + ... + 57036203.

It is an arithmetic number, because the mean of its divisors is an integer number (85554303).

Almost surely, 2228144806 is an apocalyptic number.

228144806 is a deficient number, since it is larger than the sum of its proper divisors (114072406).

228144806 is a wasteful number, since it uses less digits than its factorization.

228144806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114072405.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 228144806 is about 15104.4631152517. The cubic root of 228144806 is about 611.0407798755.

The spelling of 228144806 in words is "two hundred twenty-eight million, one hundred forty-four thousand, eight hundred six".

Divisors: 1 2 114072403 228144806