Base | Representation |
---|---|
bin | 11011001100101… |
… | …00110101110010 |
3 | 120220022020211210 |
4 | 31212110311302 |
5 | 431401310032 |
6 | 34350020550 |
7 | 5440151136 |
oct | 1546246562 |
9 | 526266753 |
10 | 228150642 |
11 | 10786aa55 |
12 | 644a7756 |
13 | 383625a5 |
14 | 2242d3c6 |
15 | 1506a2cc |
hex | d994d72 |
228150642 has 16 divisors (see below), whose sum is σ = 483142752. Its totient is φ = 71576640.
The previous prime is 228150641. The next prime is 228150653. The reversal of 228150642 is 246051822.
It is not an unprimeable number, because it can be changed into a prime (228150641) 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, 1118284 + ... + 1118487.
It is an arithmetic number, because the mean of its divisors is an integer number (30196422).
Almost surely, 2228150642 is an apocalyptic number.
228150642 is an abundant number, since it is smaller than the sum of its proper divisors (254992110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228150642 is a wasteful number, since it uses less digits than its factorization.
228150642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2236793.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 228150642 is about 15104.6563019487. The cubic root of 228150642 is about 611.0459900220.
The spelling of 228150642 in words is "two hundred twenty-eight million, one hundred fifty thousand, six hundred forty-two".
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