Base | Representation |
---|---|
bin | 11011001100101… |
… | …11010101000000 |
3 | 120220022202211012 |
4 | 31212113111000 |
5 | 431402121312 |
6 | 34350140052 |
7 | 5440222634 |
oct | 1546272500 |
9 | 526282735 |
10 | 228160832 |
11 | 107877679 |
12 | 644b1628 |
13 | 38367113 |
14 | 22432dc4 |
15 | 1506d322 |
hex | d997540 |
228160832 has 14 divisors (see below), whose sum is σ = 452756778. Its totient is φ = 114080384.
The previous prime is 228160831. The next prime is 228160853. The reversal of 228160832 is 238061822.
It can be written as a sum of positive squares in only one way, i.e., 221890816 + 6270016 = 14896^2 + 2504^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228160831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1782443 + ... + 1782570.
Almost surely, 2228160832 is an apocalyptic number.
It is an amenable number.
228160832 is a deficient number, since it is larger than the sum of its proper divisors (224595946).
228160832 is an equidigital number, since it uses as much as digits as its factorization.
228160832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3565025 (or 3565015 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 228160832 is about 15104.9936113856. The cubic root of 228160832 is about 611.0550870318.
The spelling of 228160832 in words is "two hundred twenty-eight million, one hundred sixty thousand, eight hundred thirty-two".
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