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228146667 = 3710864127
BaseRepresentation
bin11011001100100…
…11110111101011
3120220022001101120
431212103313223
5431401143132
634345550323
75440133430
oct1546236753
9526261346
10228146667
11107867a71
12644a53a3
1338360838
142242bb87
151506902c
hexd993deb

228146667 has 8 divisors (see below), whose sum is σ = 347652096. Its totient is φ = 130369512.

The previous prime is 228146663. The next prime is 228146671. The reversal of 228146667 is 766641822.

It is an interprime number because it is at equal distance from previous prime (228146663) and next prime (228146671).

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

It is not a de Polignac number, because 228146667 - 22 = 228146663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228146663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5432043 + ... + 5432084.

It is an arithmetic number, because the mean of its divisors is an integer number (43456512).

Almost surely, 2228146667 is an apocalyptic number.

228146667 is a deficient number, since it is larger than the sum of its proper divisors (119505429).

228146667 is a wasteful number, since it uses less digits than its factorization.

228146667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864137.

The product of its digits is 193536, while the sum is 42.

The square root of 228146667 is about 15104.5247194342. The cubic root of 228146667 is about 611.0424413112.

The spelling of 228146667 in words is "two hundred twenty-eight million, one hundred forty-six thousand, six hundred sixty-seven".

Divisors: 1 3 7 21 10864127 32592381 76048889 228146667