Base | Representation |
---|---|
bin | 11011010001110… |
… | …11001011001111 |
3 | 120221120212102110 |
4 | 31220323023033 |
5 | 432040110301 |
6 | 34412355103 |
7 | 5446016355 |
oct | 1550731317 |
9 | 527525373 |
10 | 228831951 |
11 | 108195917 |
12 | 64775a93 |
13 | 3854072a |
14 | 225697d5 |
15 | 151520d6 |
hex | da3b2cf |
228831951 has 16 divisors (see below), whose sum is σ = 325050624. Its totient is φ = 142694784.
The previous prime is 228831949. The next prime is 228831959. The reversal of 228831951 is 159138822.
It is not a de Polignac number, because 228831951 - 21 = 228831949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228831959) 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 15 ways as a sum of consecutive naturals, for example, 5451 + ... + 22076.
It is an arithmetic number, because the mean of its divisors is an integer number (20315664).
Almost surely, 2228831951 is an apocalyptic number.
228831951 is a deficient number, since it is larger than the sum of its proper divisors (96218673).
228831951 is a wasteful number, since it uses less digits than its factorization.
228831951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27710.
The product of its digits is 34560, while the sum is 39.
The square root of 228831951 is about 15127.1924361396. The cubic root of 228831951 is about 611.6536257130.
The spelling of 228831951 in words is "two hundred twenty-eight million, eight hundred thirty-one thousand, nine hundred fifty-one".
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