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80809339 = 136216103
BaseRepresentation
bin1001101000100…
…00110101111011
312122001112120111
410310100311323
5131141344324
612004005151
72000603512
oct464206573
9178045514
1080809339
1141684286
12230907b7
13139848a0
14aa37679
157163794
hex4d10d7b

80809339 has 4 divisors (see below), whose sum is σ = 87025456. Its totient is φ = 74593224.

The previous prime is 80809301. The next prime is 80809367. The reversal of 80809339 is 93390808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80809339 - 211 = 80807291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80809139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3108039 + ... + 3108064.

It is an arithmetic number, because the mean of its divisors is an integer number (21756364).

Almost surely, 280809339 is an apocalyptic number.

80809339 is a deficient number, since it is larger than the sum of its proper divisors (6216117).

80809339 is a wasteful number, since it uses less digits than its factorization.

80809339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216116.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 80809339 is about 8989.4014817450. The cubic root of 80809339 is about 432.3351219794.

The spelling of 80809339 in words is "eighty million, eight hundred nine thousand, three hundred thirty-nine".

Divisors: 1 13 6216103 80809339