Base | Representation |
---|---|
bin | 11011001001110… |
… | …10011001110000 |
3 | 120212121102201000 |
4 | 31210322121300 |
5 | 431302431313 |
6 | 34334042000 |
7 | 5434046145 |
oct | 1544723160 |
9 | 525542630 |
10 | 227780208 |
11 | 107637707 |
12 | 64349300 |
13 | 38262ab6 |
14 | 223743cc |
15 | 14ee5673 |
hex | d93a670 |
227780208 has 80 divisors (see below), whose sum is σ = 688249600. Its totient is φ = 71928000.
The previous prime is 227780183. The next prime is 227780213. The reversal of 227780208 is 802087722.
227780208 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
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 15 ways as a sum of consecutive naturals, for example, 5668 + ... + 22083.
It is an arithmetic number, because the mean of its divisors is an integer number (8603120).
Almost surely, 2227780208 is an apocalyptic number.
It is an amenable number.
227780208 is an abundant number, since it is smaller than the sum of its proper divisors (460469392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227780208 is a wasteful number, since it uses less digits than its factorization.
227780208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27787 (or 27775 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 227780208 is about 15092.3890752922. The cubic root of 227780208 is about 610.7151050950.
The spelling of 227780208 in words is "two hundred twenty-seven million, seven hundred eighty thousand, two hundred eight".
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