Base | Representation |
---|---|
bin | 111001111011111… |
… | …111100011101100 |
3 | 2111202001010221020 |
4 | 321323333203230 |
5 | 3442314400030 |
6 | 240241534140 |
7 | 33042050166 |
oct | 7173774354 |
9 | 2452033836 |
10 | 972028140 |
11 | 459759146 |
12 | 231644350 |
13 | 1264c53a5 |
14 | 93149936 |
15 | 5a508510 |
hex | 39eff8ec |
972028140 has 24 divisors (see below), whose sum is σ = 2721678960. Its totient is φ = 259207488.
The previous prime is 972028117. The next prime is 972028151. The reversal of 972028140 is 41820279.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8100175 + ... + 8100294.
It is an arithmetic number, because the mean of its divisors is an integer number (113403290).
Almost surely, 2972028140 is an apocalyptic number.
It is an amenable number.
972028140 is an abundant number, since it is smaller than the sum of its proper divisors (1749650820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
972028140 is a wasteful number, since it uses less digits than its factorization.
972028140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16200481 (or 16200479 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 972028140 is about 31177.3658284339. The cubic root of 972028140 is about 990.5877338593.
The spelling of 972028140 in words is "nine hundred seventy-two million, twenty-eight thousand, one hundred forty".
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