Base | Representation |
---|---|
bin | 1000100101010… |
… | …10001000001010 |
3 | 12000110222110001 |
4 | 10102222020022 |
5 | 121413000020 |
6 | 11051113214 |
7 | 1532663365 |
oct | 422521012 |
9 | 160428401 |
10 | 72000010 |
11 | 37707745 |
12 | 2014280a |
13 | 11bbbc74 |
14 | 97c30dc |
15 | 64c350a |
hex | 44aa20a |
72000010 has 32 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 28252608.
The previous prime is 72000007. The next prime is 72000053. The reversal of 72000010 is 1000027.
It is a Harshad number since it is a multiple of its sum of digits (10).
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, 184896 + ... + 185284.
It is an arithmetic number, because the mean of its divisors is an integer number (4127760).
Almost surely, 272000010 is an apocalyptic number.
72000010 is a deficient number, since it is larger than the sum of its proper divisors (60088310).
72000010 is a wasteful number, since it uses less digits than its factorization.
72000010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 702.
The product of its (nonzero) digits is 14, while the sum is 10.
The square root of 72000010 is about 8485.2819634942. The cubic root of 72000010 is about 416.0167838704.
Adding to 72000010 its reverse (1000027), we get a palindrome (73000037).
The spelling of 72000010 in words is "seventy-two million, ten", and thus it is an aban number and an uban number.
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