Base | Representation |
---|---|
bin | 11011001111000… |
… | …00010111001011 |
3 | 120220212222011201 |
4 | 31213200113023 |
5 | 431441204404 |
6 | 34400405031 |
7 | 5442610036 |
oct | 1547402713 |
9 | 526788151 |
10 | 228459979 |
11 | 107a61400 |
12 | 64616777 |
13 | 38440327 |
14 | 224b001d |
15 | 150cbca4 |
hex | d9e05cb |
228459979 has 12 divisors (see below), whose sum is σ = 251697712. Its totient is φ = 207210960.
The previous prime is 228459911. The next prime is 228460003. The reversal of 228459979 is 979954822.
It is not a de Polignac number, because 228459979 - 213 = 228451787 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228459779) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56989 + ... + 60865.
Almost surely, 2228459979 is an apocalyptic number.
228459979 is a deficient number, since it is larger than the sum of its proper divisors (23237733).
228459979 is a wasteful number, since it uses less digits than its factorization.
228459979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4386 (or 4375 counting only the distinct ones).
The product of its digits is 3265920, while the sum is 55.
The square root of 228459979 is about 15114.8926228406. The cubic root of 228459979 is about 611.3220266048.
The spelling of 228459979 in words is "two hundred twenty-eight million, four hundred fifty-nine thousand, nine hundred seventy-nine".
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