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228718967 = 4719792459
BaseRepresentation
bin11011010000111…
…11100101110111
3120221101010102212
431220133211313
5432023001332
634410124035
75445036101
oct1550374567
9527333385
10228718967
11108118a44
126472061b
1338501189
142253a571
151512d8b2
hexda1f977

228718967 has 8 divisors (see below), whose sum is σ = 233798400. Its totient is φ = 223648504.

The previous prime is 228718957. The next prime is 228718993. The reversal of 228718967 is 769817822.

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 228718967 - 216 = 228653431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228718907) 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, 91784 + ... + 94242.

It is an arithmetic number, because the mean of its divisors is an integer number (29224800).

Almost surely, 2228718967 is an apocalyptic number.

228718967 is a deficient number, since it is larger than the sum of its proper divisors (5079433).

228718967 is a wasteful number, since it uses less digits than its factorization.

228718967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485.

The product of its digits is 677376, while the sum is 50.

The square root of 228718967 is about 15123.4575081229. The cubic root of 228718967 is about 611.5529427304.

The spelling of 228718967 in words is "two hundred twenty-eight million, seven hundred eighteen thousand, nine hundred sixty-seven".

Divisors: 1 47 1979 2459 93013 115573 4866361 228718967