Base | Representation |
---|---|
bin | 11011010010001… |
… | …01111100110001 |
3 | 120221200002221220 |
4 | 31221011330301 |
5 | 432043013311 |
6 | 34413335253 |
7 | 5446262130 |
oct | 1551057461 |
9 | 527602856 |
10 | 228876081 |
11 | 108215a95 |
12 | 64797529 |
13 | 38557845 |
14 | 2257b917 |
15 | 15160206 |
hex | da45f31 |
228876081 has 8 divisors (see below), whose sum is σ = 348763584. Its totient is φ = 130786320.
The previous prime is 228876073. The next prime is 228876113. The reversal of 228876081 is 180678822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 228876081 - 23 = 228876073 is a prime.
It is a super-2 number, since 2×2288760812 = 104768520907837122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (228876181) 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, 5449410 + ... + 5449451.
It is an arithmetic number, because the mean of its divisors is an integer number (43595448).
Almost surely, 2228876081 is an apocalyptic number.
228876081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
228876081 is a deficient number, since it is larger than the sum of its proper divisors (119887503).
228876081 is a wasteful number, since it uses less digits than its factorization.
228876081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10898871.
The product of its (nonzero) digits is 86016, while the sum is 42.
The square root of 228876081 is about 15128.6509973626. The cubic root of 228876081 is about 611.6929421043.
The spelling of 228876081 in words is "two hundred twenty-eight million, eight hundred seventy-six thousand, eighty-one".
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