Base | Representation |
---|---|
bin | 1010011011000… |
… | …01010011101011 |
3 | 20002111220221012 |
4 | 11031201103223 |
5 | 134340233004 |
6 | 12401534135 |
7 | 2111101031 |
oct | 515412353 |
9 | 202456835 |
10 | 87430379 |
11 | 45396813 |
12 | 2534434b |
13 | 1516246a |
14 | b87c551 |
15 | 7a2046e |
hex | 53614eb |
87430379 has 2 divisors, whose sum is σ = 87430380. Its totient is φ = 87430378.
The previous prime is 87430367. The next prime is 87430391. The reversal of 87430379 is 97303478.
It is a balanced prime because it is at equal distance from previous prime (87430367) and next prime (87430391).
It is a cyclic number.
It is not a de Polignac number, because 87430379 - 24 = 87430363 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (87430319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43715189 + 43715190.
It is an arithmetic number, because the mean of its divisors is an integer number (43715190).
Almost surely, 287430379 is an apocalyptic number.
87430379 is a deficient number, since it is larger than the sum of its proper divisors (1).
87430379 is an equidigital number, since it uses as much as digits as its factorization.
87430379 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 127008, while the sum is 41.
The square root of 87430379 is about 9350.4213274055. The cubic root of 87430379 is about 443.8342234104.
The spelling of 87430379 in words is "eighty-seven million, four hundred thirty thousand, three hundred seventy-nine".
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