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80109088 = 252503409
BaseRepresentation
bin1001100011001…
…01111000100000
312120201222000021
410301211320200
5131001442323
611541003224
71661626123
oct461457040
9176658007
1080109088
1141246164
12229b3514
131379ac37
14a8d43ba
15707605d
hex4c65e20

80109088 has 12 divisors (see below), whose sum is σ = 157714830. Its totient is φ = 40054528.

The previous prime is 80109047. The next prime is 80109097. The reversal of 80109088 is 88090108.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 10419984 = 8348^2 + 3228^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1251673 + ... + 1251736.

Almost surely, 280109088 is an apocalyptic number.

It is an amenable number.

80109088 is a deficient number, since it is larger than the sum of its proper divisors (77605742).

80109088 is a wasteful number, since it uses less digits than its factorization.

80109088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503419 (or 2503411 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 80109088 is about 8950.3680371256. The cubic root of 80109088 is about 431.0827015285.

The spelling of 80109088 in words is "eighty million, one hundred nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 2503409 5006818 10013636 20027272 40054544 80109088