Base | Representation |
---|---|
bin | 11011010000100… |
… | …00110111101111 |
3 | 120221021001201200 |
4 | 31220100313233 |
5 | 432014034141 |
6 | 34404540543 |
7 | 5444365233 |
oct | 1550206757 |
9 | 527231650 |
10 | 228658671 |
11 | 10808770a |
12 | 646b1753 |
13 | 384ac8b7 |
14 | 225225c3 |
15 | 1511aab6 |
hex | da10def |
228658671 has 12 divisors (see below), whose sum is σ = 330490680. Its totient is φ = 152344080.
The previous prime is 228658669. The next prime is 228658691. The reversal of 228658671 is 176856822.
It is not a de Polignac number, because 228658671 - 21 = 228658669 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228658601) 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, 9285 + ... + 23313.
It is an arithmetic number, because the mean of its divisors is an integer number (27540890).
Almost surely, 2228658671 is an apocalyptic number.
228658671 is a deficient number, since it is larger than the sum of its proper divisors (101832009).
228658671 is a wasteful number, since it uses less digits than its factorization.
228658671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15846 (or 15843 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 228658671 is about 15121.4639172271. The cubic root of 228658671 is about 611.4991978260.
The spelling of 228658671 in words is "two hundred twenty-eight million, six hundred fifty-eight thousand, six hundred seventy-one".
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