Base | Representation |
---|---|
bin | 101010111101010… |
… | …110010000111100 |
3 | 1212020011121220110 |
4 | 222331112100330 |
5 | 2434001200202 |
6 | 155303350020 |
7 | 23601030135 |
oct | 5275262074 |
9 | 1766147813 |
10 | 720725052 |
11 | 33a915443 |
12 | 181452310 |
13 | b6417838 |
14 | 6ba10c8c |
15 | 4341826c |
hex | 2af5643c |
720725052 has 48 divisors (see below), whose sum is σ = 1742428800. Its totient is φ = 231591360.
The previous prime is 720725051. The next prime is 720725141. The reversal of 720725052 is 250527027.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (720725051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297727 + ... + 300137.
It is an arithmetic number, because the mean of its divisors is an integer number (36300600).
Almost surely, 2720725052 is an apocalyptic number.
It is an amenable number.
720725052 is an abundant number, since it is smaller than the sum of its proper divisors (1021703748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
720725052 is a wasteful number, since it uses less digits than its factorization.
720725052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3306 (or 3304 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 30.
The square root of 720725052 is about 26846.3228766995. The cubic root of 720725052 is about 896.5817049967.
The spelling of 720725052 in words is "seven hundred twenty million, seven hundred twenty-five thousand, fifty-two".
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