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228274667 = 1099072309
BaseRepresentation
bin11011001101100…
…11000111101011
3120220112112222022
431212303013223
5431414242132
634352415055
75441205545
oct1546630753
9526475868
10228274667
11107945155
126454748b
13383a6b8a
1422462695
1515091e12
hexd9b31eb

228274667 has 8 divisors (see below), whose sum is σ = 230722800. Its totient is φ = 225833184.

The previous prime is 228274649. The next prime is 228274679. The reversal of 228274667 is 766472822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228274667 - 218 = 228012523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228274637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97709 + ... + 100017.

It is an arithmetic number, because the mean of its divisors is an integer number (28840350).

Almost surely, 2228274667 is an apocalyptic number.

228274667 is a deficient number, since it is larger than the sum of its proper divisors (2448133).

228274667 is a wasteful number, since it uses less digits than its factorization.

228274667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its digits is 451584, while the sum is 44.

The square root of 228274667 is about 15108.7612662323. The cubic root of 228274667 is about 611.1566935611.

The spelling of 228274667 in words is "two hundred twenty-eight million, two hundred seventy-four thousand, six hundred sixty-seven".

Divisors: 1 109 907 2309 98863 251681 2094263 228274667