Base | Representation |
---|---|
bin | 101010111010110… |
… | …010011010100000 |
3 | 1212011220112021201 |
4 | 222322302122200 |
5 | 2433313211140 |
6 | 155241130544 |
7 | 23562233365 |
oct | 5272623240 |
9 | 1764815251 |
10 | 720053920 |
11 | 33a4a7193 |
12 | 181189a54 |
13 | b6241211 |
14 | 6b8b846c |
15 | 4333449a |
hex | 2aeb26a0 |
720053920 has 48 divisors (see below), whose sum is σ = 1740705120. Its totient is φ = 281320704.
The previous prime is 720053911. The next prime is 720053927. The reversal of 720053920 is 29350027.
It is not an unprimeable number, because it can be changed into a prime (720053927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45450 + ... + 59209.
It is an arithmetic number, because the mean of its divisors is an integer number (36264690).
Almost surely, 2720053920 is an apocalyptic number.
It is an amenable number.
720053920 is an abundant number, since it is smaller than the sum of its proper divisors (1020651200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
720053920 is a wasteful number, since it uses less digits than its factorization.
720053920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104717 (or 104709 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 28.
The square root of 720053920 is about 26833.8204510651. The cubic root of 720053920 is about 896.3033225811.
The spelling of 720053920 in words is "seven hundred twenty million, fifty-three thousand, nine hundred twenty".
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