Base | Representation |
---|---|
bin | 101100001000000101… |
… | …001110101100100100 |
3 | 11112022000021000021121 |
4 | 230020011032230210 |
5 | 1234013314311100 |
6 | 33433254423324 |
7 | 3265061205064 |
oct | 541005165444 |
9 | 145260230247 |
10 | 47380228900 |
11 | 191039a4274 |
12 | 9223661b44 |
13 | 4611096904 |
14 | 24168233a4 |
15 | 13748ab51a |
hex | b0814eb24 |
47380228900 has 27 divisors (see below), whose sum is σ = 102819820369. Its totient is φ = 18951220880.
The previous prime is 47380228897. The next prime is 47380228901. The reversal of 47380228900 is 982208374.
It is a happy number.
The square root of 47380228900 is 217670.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 17056882404 + 30323346496 = 130602^2 + 174136^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47380228901) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2165817 + ... + 2187583.
Almost surely, 247380228900 is an apocalyptic number.
47380228900 is the 217670-th square number.
It is an amenable number.
47380228900 is an abundant number, since it is smaller than the sum of its proper divisors (55439591469).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47380228900 is an frugal number, since it uses more digits than its factorization.
47380228900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43548 (or 21774 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The spelling of 47380228900 in words is "forty-seven billion, three hundred eighty million, two hundred twenty-eight thousand, nine hundred".
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