Base | Representation |
---|---|
bin | 11011010000111… |
… | …11011000000000 |
3 | 120221101002020000 |
4 | 31220133120000 |
5 | 432022434310 |
6 | 34410120000 |
7 | 5445033363 |
oct | 1550373000 |
9 | 527332200 |
10 | 228718080 |
11 | 108118308 |
12 | 64720000 |
13 | 38500956 |
14 | 2253a0da |
15 | 1512d4c0 |
hex | da1f600 |
228718080 has 200 divisors, whose sum is σ = 819938592. Its totient is φ = 60936192.
The previous prime is 228718033. The next prime is 228718109. The reversal of 228718080 is 80817822.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 206809 + ... + 207911.
Almost surely, 2228718080 is an apocalyptic number.
228718080 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 228718080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409969296).
228718080 is an abundant number, since it is smaller than the sum of its proper divisors (591220512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228718080 is an equidigital number, since it uses as much as digits as its factorization.
228718080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138 (or 1113 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The square root of 228718080 is about 15123.4281827898. The cubic root of 228718080 is about 611.5521521704.
The spelling of 228718080 in words is "two hundred twenty-eight million, seven hundred eighteen thousand, eighty".
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