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80117049 = 326705683
BaseRepresentation
bin1001100011001…
…11110100111001
312120202100221010
410301213310321
5131002221144
611541104133
71661661255
oct461476471
9176670833
1080117049
1141251141
12229b8049
13137a174c
14a8d7265
1570785b9
hex4c67d39

80117049 has 4 divisors (see below), whose sum is σ = 106822736. Its totient is φ = 53411364.

The previous prime is 80117033. The next prime is 80117069. The reversal of 80117049 is 94071108.

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 not a de Polignac number, because 80117049 - 24 = 80117033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80117029) 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, 13352839 + ... + 13352844.

It is an arithmetic number, because the mean of its divisors is an integer number (26705684).

Almost surely, 280117049 is an apocalyptic number.

It is an amenable number.

80117049 is a deficient number, since it is larger than the sum of its proper divisors (26705687).

80117049 is a wasteful number, since it uses less digits than its factorization.

80117049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26705686.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 80117049 is about 8950.8127563926. The cubic root of 80117049 is about 431.0969809559.

The spelling of 80117049 in words is "eighty million, one hundred seventeen thousand, forty-nine".

Divisors: 1 3 26705683 80117049