Base | Representation |
---|---|
bin | 101010111010101… |
… | …000001111110000 |
3 | 1212011211102011012 |
4 | 222322220033300 |
5 | 2433310343042 |
6 | 155240210052 |
7 | 23562001100 |
oct | 5272501760 |
9 | 1764742135 |
10 | 720012272 |
11 | 33a478971 |
12 | 181169928 |
13 | b6228285 |
14 | 6b8a7200 |
15 | 43326e82 |
hex | 2aea83f0 |
720012272 has 60 divisors (see below), whose sum is σ = 1628552016. Its totient is φ = 307480320.
The previous prime is 720012269. The next prime is 720012299. The reversal of 720012272 is 272210027.
720012272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242348 + ... + 245300.
Almost surely, 2720012272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 720012272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814276008).
720012272 is an abundant number, since it is smaller than the sum of its proper divisors (908539744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
720012272 is a wasteful number, since it uses less digits than its factorization.
720012272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3286 (or 3273 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 23.
The square root of 720012272 is about 26833.0444042416. The cubic root of 720012272 is about 896.2860414861.
Adding to 720012272 its reverse (272210027), we get a palindrome (992222299).
The spelling of 720012272 in words is "seven hundred twenty million, twelve thousand, two hundred seventy-two".
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