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80808341 = 103784547
BaseRepresentation
bin1001101000100…
…00100110010101
312122001111012112
410310100212111
5131141331331
612004000405
72000600555
oct464204625
9178044175
1080808341
1141683559
1223090105
13139842b3
14aa37165
15716332b
hex4d10995

80808341 has 4 divisors (see below), whose sum is σ = 81592992. Its totient is φ = 80023692.

The previous prime is 80808337. The next prime is 80808367. The reversal of 80808341 is 14380808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80808341 - 22 = 80808337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80808298 and 80808307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80808241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392171 + ... + 392376.

It is an arithmetic number, because the mean of its divisors is an integer number (20398248).

Almost surely, 280808341 is an apocalyptic number.

It is an amenable number.

80808341 is a deficient number, since it is larger than the sum of its proper divisors (784651).

80808341 is a wasteful number, since it uses less digits than its factorization.

80808341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784650.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80808341 is about 8989.3459717601. The cubic root of 80808341 is about 432.3333421841. Note that the first 4 decimals are identical.

The spelling of 80808341 in words is "eighty million, eight hundred eight thousand, three hundred forty-one".

Divisors: 1 103 784547 80808341