Base | Representation |
---|---|
bin | 11011001111010… |
… | …01001001100010 |
3 | 120220221210112201 |
4 | 31213221021202 |
5 | 431443332340 |
6 | 34401243414 |
7 | 5443120003 |
oct | 1547511142 |
9 | 526853481 |
10 | 228495970 |
11 | 107a8644a |
12 | 6463356a |
13 | 38453821 |
14 | 224bd1aa |
15 | 150d779a |
hex | d9e9262 |
228495970 has 16 divisors (see below), whose sum is σ = 414055800. Its totient is φ = 90784384.
The previous prime is 228495941. The next prime is 228495977. The reversal of 228495970 is 79594822.
228495970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 189695529 + 38800441 = 13773^2 + 6229^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 228495970.
It is not an unprimeable number, because it can be changed into a prime (228495977) 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, 75187 + ... + 78166.
Almost surely, 2228495970 is an apocalyptic number.
228495970 is a deficient number, since it is larger than the sum of its proper divisors (185559830).
228495970 is a wasteful number, since it uses less digits than its factorization.
228495970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153509.
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 228495970 is about 15116.0831566911. The cubic root of 228495970 is about 611.3541269547.
The spelling of 228495970 in words is "two hundred twenty-eight million, four hundred ninety-five thousand, nine hundred seventy".
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