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82345801 is a prime number
BaseRepresentation
bin1001110100001…
…11111101001001
312201221121012111
410322013331021
5132040031201
612100542321
72016633136
oct472077511
9181847174
1082345801
114253368a
12236b19a1
13140a2035
14ad1758d
157368b51
hex4e87f49

82345801 has 2 divisors, whose sum is σ = 82345802. Its totient is φ = 82345800.

The previous prime is 82345799. The next prime is 82345811. The reversal of 82345801 is 10854328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57395776 + 24950025 = 7576^2 + 4995^2 .

It is a cyclic number.

It is not a de Polignac number, because 82345801 - 21 = 82345799 is a prime.

Together with 82345799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82345811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41172900 + 41172901.

It is an arithmetic number, because the mean of its divisors is an integer number (41172901).

Almost surely, 282345801 is an apocalyptic number.

It is an amenable number.

82345801 is a deficient number, since it is larger than the sum of its proper divisors (1).

82345801 is an equidigital number, since it uses as much as digits as its factorization.

82345801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 82345801 is about 9074.4587166398. The cubic root of 82345801 is about 435.0579937653.

The spelling of 82345801 in words is "eighty-two million, three hundred forty-five thousand, eight hundred one".