Base | Representation |
---|---|
bin | 11011010010001… |
… | …11011111100111 |
3 | 120221200102122012 |
4 | 31221013133213 |
5 | 432043214112 |
6 | 34413424435 |
7 | 5446316435 |
oct | 1551073747 |
9 | 527612565 |
10 | 228882407 |
11 | 10821a816 |
12 | 6479b11b |
13 | 3855a6a0 |
14 | 2257dd55 |
15 | 15162022 |
hex | da477e7 |
228882407 has 32 divisors (see below), whose sum is σ = 279925632. Its totient is φ = 184909824.
The previous prime is 228882397. The next prime is 228882419. The reversal of 228882407 is 704288822.
It is a cyclic number.
It is not a de Polignac number, because 228882407 - 26 = 228882343 is a prime.
It is a super-2 number, since 2×2288824072 = 104774312468227298, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228882497) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187463 + ... + 188679.
It is an arithmetic number, because the mean of its divisors is an integer number (8747676).
Almost surely, 2228882407 is an apocalyptic number.
228882407 is a deficient number, since it is larger than the sum of its proper divisors (51043225).
228882407 is a wasteful number, since it uses less digits than its factorization.
228882407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1307.
The product of its (nonzero) digits is 114688, while the sum is 41.
The square root of 228882407 is about 15128.8600694170. The cubic root of 228882407 is about 611.6985776632.
The spelling of 228882407 in words is "two hundred twenty-eight million, eight hundred eighty-two thousand, four hundred seven".
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