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83980801 is a prime number
BaseRepresentation
bin1010000000101…
…11001000000001
312212000200000001
411000113020001
5132444341201
612200000001
72036552662
oct500271001
9185020001
1083980801
1143450023
1224160001
13145252a8
14b221369
15758d301
hex5017201

83980801 has 2 divisors, whose sum is σ = 83980802. Its totient is φ = 83980800.

The previous prime is 83980789. The next prime is 83980837. The reversal of 83980801 is 10808938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 40947201 = 6560^2 + 6399^2 .

It is a cyclic number.

It is not a de Polignac number, because 83980801 - 211 = 83978753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83981801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41990400 + 41990401.

It is an arithmetic number, because the mean of its divisors is an integer number (41990401).

Almost surely, 283980801 is an apocalyptic number.

It is an amenable number.

83980801 is a deficient number, since it is larger than the sum of its proper divisors (1).

83980801 is an equidigital number, since it uses as much as digits as its factorization.

83980801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 83980801 is about 9164.1039387384. The cubic root of 83980801 is about 437.9185454195.

The spelling of 83980801 in words is "eighty-three million, nine hundred eighty thousand, eight hundred one".