Base | Representation |
---|---|
bin | 11010111000011110100000 |
3 | 111021000202200 |
4 | 122320132200 |
5 | 3301001242 |
6 | 411013200 |
7 | 113620254 |
oct | 32703640 |
9 | 14230680 |
10 | 7047072 |
11 | 3a8362a |
12 | 243a200 |
13 | 15c9786 |
14 | d16264 |
15 | 94304c |
hex | 6b87a0 |
7047072 has 36 divisors (see below), whose sum is σ = 20040930. Its totient is φ = 2348928.
The previous prime is 7047059. The next prime is 7047083. The reversal of 7047072 is 2707407.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 6780816 + 266256 = 2604^2 + 516^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×70470722 = 99322447546368, which contains 22 as substring.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 11947 + ... + 12522.
Almost surely, 27047072 is an apocalyptic number.
7047072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
7047072 is an abundant number, since it is smaller than the sum of its proper divisors (12993858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7047072 is a wasteful number, since it uses less digits than its factorization.
7047072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24485 (or 24474 counting only the distinct ones).
The product of its (nonzero) digits is 2744, while the sum is 27.
The square root of 7047072 is about 2654.6321779109. The cubic root of 7047072 is about 191.7209487924.
It can be divided in two parts, 704 and 7072, that added together give a 5-th power (7776 = 65).
The spelling of 7047072 in words is "seven million, forty-seven thousand, seventy-two".
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