Base | Representation |
---|---|
bin | 11011010010000… |
… | …10101000010000 |
3 | 120221122102022011 |
4 | 31221002220100 |
5 | 432042044410 |
6 | 34413152304 |
7 | 5446204360 |
oct | 1551025020 |
9 | 527572264 |
10 | 228862480 |
11 | 108206850 |
12 | 6478b694 |
13 | 385515b2 |
14 | 225769a0 |
15 | 1515b18a |
hex | da42a10 |
228862480 has 160 divisors (see below), whose sum is σ = 676885248. Its totient is φ = 69888000.
The previous prime is 228862477. The next prime is 228862499. The reversal of 228862480 is 84268822.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326130 + ... + 326830.
Almost surely, 2228862480 is an apocalyptic number.
228862480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228862480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338442624).
228862480 is an abundant number, since it is smaller than the sum of its proper divisors (448022768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228862480 is a wasteful number, since it uses less digits than its factorization.
228862480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785 (or 779 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 40.
The square root of 228862480 is about 15128.2014793564. The cubic root of 228862480 is about 611.6808252119.
The spelling of 228862480 in words is "two hundred twenty-eight million, eight hundred sixty-two thousand, four hundred eighty".
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