Base | Representation |
---|---|
bin | 101010111010101… |
… | …111000010000110 |
3 | 1212011212211021202 |
4 | 222322233002012 |
5 | 2433312240240 |
6 | 155240542502 |
7 | 23562145121 |
oct | 5272570206 |
9 | 1764784252 |
10 | 720040070 |
11 | 33a497842 |
12 | 181181a32 |
13 | b6237b19 |
14 | 6b8b33b8 |
15 | 43330315 |
hex | 2aeaf086 |
720040070 has 32 divisors (see below), whose sum is σ = 1354933440. Its totient is φ = 274982400.
The previous prime is 720040067. The next prime is 720040109. The reversal of 720040070 is 70040027.
720040070 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 15 ways as a sum of consecutive naturals, for example, 135626 + ... + 140834.
It is an arithmetic number, because the mean of its divisors is an integer number (42341670).
Almost surely, 2720040070 is an apocalyptic number.
720040070 is a deficient number, since it is larger than the sum of its proper divisors (634893370).
720040070 is a wasteful number, since it uses less digits than its factorization.
720040070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5840.
The product of its (nonzero) digits is 392, while the sum is 20.
The square root of 720040070 is about 26833.5623799748. The cubic root of 720040070 is about 896.2975758445.
Adding to 720040070 its reverse (70040027), we get a palindrome (790080097).
The spelling of 720040070 in words is "seven hundred twenty million, forty thousand, seventy".
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