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80849435 = 516169887
BaseRepresentation
bin1001101000110…
…10101000011011
312122010120120112
410310122220123
5131144140220
612004514535
72001131432
oct464325033
9178116515
1080849435
1141701417
12230aba4b
1313999c04
14aa48119
1571705c5
hex4d1aa1b

80849435 has 4 divisors (see below), whose sum is σ = 97019328. Its totient is φ = 64679544.

The previous prime is 80849423. The next prime is 80849441. The reversal of 80849435 is 53494808.

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 80849435 - 212 = 80845339 is a prime.

It is a super-2 number, since 2×808494352 = 13073262279638450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80849392 and 80849401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8084939 + ... + 8084948.

It is an arithmetic number, because the mean of its divisors is an integer number (24254832).

Almost surely, 280849435 is an apocalyptic number.

80849435 is a deficient number, since it is larger than the sum of its proper divisors (16169893).

80849435 is a wasteful number, since it uses less digits than its factorization.

80849435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16169892.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 80849435 is about 8991.6313870176. The cubic root of 80849435 is about 432.4066155426.

The spelling of 80849435 in words is "eighty million, eight hundred forty-nine thousand, four hundred thirty-five".

Divisors: 1 5 16169887 80849435