Base | Representation |
---|---|
bin | 11011001100101… |
… | …01011010110111 |
3 | 120220022101002200 |
4 | 31212111122313 |
5 | 431401344030 |
6 | 34350035543 |
7 | 5440161066 |
oct | 1546253267 |
9 | 526271080 |
10 | 228153015 |
11 | 107871812 |
12 | 644a8bb3 |
13 | 383636ac |
14 | 224301dd |
15 | 1506ad60 |
hex | d9956b7 |
228153015 has 24 divisors (see below), whose sum is σ = 395843760. Its totient is φ = 121565184.
The previous prime is 228153011. The next prime is 228153019. The reversal of 228153015 is 510351822.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (228153011) and next prime (228153019).
It is not a de Polignac number, because 228153015 - 22 = 228153011 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 228153015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228153011) 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 23 ways as a sum of consecutive naturals, for example, 66871 + ... + 70199.
It is an arithmetic number, because the mean of its divisors is an integer number (16493490).
Almost surely, 2228153015 is an apocalyptic number.
228153015 is a deficient number, since it is larger than the sum of its proper divisors (167690745).
228153015 is a wasteful number, since it uses less digits than its factorization.
228153015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4863 (or 4860 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 228153015 is about 15104.7348536808. The cubic root of 228153015 is about 611.0481085157.
The spelling of 228153015 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, fifteen".
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