Base | Representation |
---|---|
bin | 1001000110111… |
… | …00011111101100 |
3 | 12022202112221121 |
4 | 10203130133230 |
5 | 124024304440 |
6 | 11325310324 |
7 | 1615252222 |
oct | 443343754 |
9 | 168675847 |
10 | 76400620 |
11 | 3a142a0a |
12 | 217053a4 |
13 | 12a9cc8a |
14 | a20ab12 |
15 | 6a9234a |
hex | 48dc7ec |
76400620 has 12 divisors (see below), whose sum is σ = 160441344. Its totient is φ = 30560240.
The previous prime is 76400579. The next prime is 76400627. The reversal of 76400620 is 2600467.
It is not an unprimeable number, because it can be changed into a prime (76400627) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909996 + ... + 1910035.
It is an arithmetic number, because the mean of its divisors is an integer number (13370112).
Almost surely, 276400620 is an apocalyptic number.
It is an amenable number.
76400620 is an abundant number, since it is smaller than the sum of its proper divisors (84040724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76400620 is a wasteful number, since it uses less digits than its factorization.
76400620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3820040 (or 3820038 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 76400620 is about 8740.7448195220. The cubic root of 76400620 is about 424.3253332571.
The spelling of 76400620 in words is "seventy-six million, four hundred thousand, six hundred twenty".
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