Base | Representation |
---|---|
bin | 1000011011100… |
… | …11000110010000 |
3 | 11221002020212200 |
4 | 10031303012100 |
5 | 121101213112 |
6 | 11003523200 |
7 | 1516106226 |
oct | 415630620 |
9 | 157066780 |
10 | 70726032 |
11 | 36a17573 |
12 | 1b829500 |
13 | 11864130 |
14 | 9570b16 |
15 | 6320cdc |
hex | 4373190 |
70726032 has 60 divisors (see below), whose sum is σ = 213166044. Its totient is φ = 21761280.
The previous prime is 70725997. The next prime is 70726039. The reversal of 70726032 is 23062707.
It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 36433296 = 5856^2 + 6036^2 .
It is a junction number, because it is equal to n+sod(n) for n = 70725987 and 70726005.
It is not an unprimeable number, because it can be changed into a prime (70726039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17019 + ... + 20762.
Almost surely, 270726032 is an apocalyptic number.
70726032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
70726032 is an abundant number, since it is smaller than the sum of its proper divisors (142440012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70726032 is a wasteful number, since it uses less digits than its factorization.
70726032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37808 (or 37799 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The square root of 70726032 is about 8409.8770502309. The cubic root of 70726032 is about 413.5484820482.
Adding to 70726032 its reverse (23062707), we get a palindrome (93788739).
The spelling of 70726032 in words is "seventy million, seven hundred twenty-six thousand, thirty-two".
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