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228716371 = 1332995333
BaseRepresentation
bin11011010000111…
…10111101010011
3120221100222212201
431220132331103
5432022410441
634410104031
75445025402
oct1550367523
9527328781
10228716371
11108116aa4
126471b017
13384ccc40
1422539639
151512cc31
hexda1ef53

228716371 has 8 divisors (see below), whose sum is σ = 246430800. Its totient is φ = 211019232.

The previous prime is 228716363. The next prime is 228716447. The reversal of 228716371 is 173617822.

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 228716371 - 23 = 228716363 is a prime.

It is a super-2 number, since 2×2287163712 = 104622356726819282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228716371.

It is not an unprimeable number, because it can be changed into a prime (228716671) 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, 40221 + ... + 45553.

It is an arithmetic number, because the mean of its divisors is an integer number (30803850).

Almost surely, 2228716371 is an apocalyptic number.

228716371 is a deficient number, since it is larger than the sum of its proper divisors (17714429).

228716371 is a wasteful number, since it uses less digits than its factorization.

228716371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645.

The product of its digits is 28224, while the sum is 37.

The square root of 228716371 is about 15123.3716809447. The cubic root of 228716371 is about 611.5506289776.

The spelling of 228716371 in words is "two hundred twenty-eight million, seven hundred sixteen thousand, three hundred seventy-one".

Divisors: 1 13 3299 5333 42887 69329 17593567 228716371