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83986801 is a prime number
BaseRepresentation
bin1010000000110…
…00100101110001
312212000222020021
411000120211301
5133000034201
612200043441
72036606323
oct500304561
9185028207
1083986801
1143454588
1224163581
1314527c42
14b223613
15758eea1
hex5018971

83986801 has 2 divisors, whose sum is σ = 83986802. Its totient is φ = 83986800.

The previous prime is 83986769. The next prime is 83986807. The reversal of 83986801 is 10868938.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 28633201 = 7440^2 + 5351^2 .

It is a cyclic number.

It is not a de Polignac number, because 83986801 - 25 = 83986769 is a prime.

It is not a weakly prime, because it can be changed into another prime (83986807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41993400 + 41993401.

It is an arithmetic number, because the mean of its divisors is an integer number (41993401).

Almost surely, 283986801 is an apocalyptic number.

It is an amenable number.

83986801 is a deficient number, since it is larger than the sum of its proper divisors (1).

83986801 is an equidigital number, since it uses as much as digits as its factorization.

83986801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 83986801 is about 9164.4312971400. The cubic root of 83986801 is about 437.9289741868.

The spelling of 83986801 in words is "eighty-three million, nine hundred eighty-six thousand, eight hundred one".