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80005137 = 337720767
BaseRepresentation
bin1001100010011…
…00100000010001
312120112200102020
410301030200101
5130440131022
611534442053
71661014062
oct461144021
9176480366
1080005137
1141185053
1222963329
1313762824
14a8a8569
15705535c
hex4c4c811

80005137 has 8 divisors (see below), whose sum is σ = 109556736. Its totient is φ = 51895152.

The previous prime is 80005097. The next prime is 80005151. The reversal of 80005137 is 73150008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80005137 - 26 = 80005073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80005187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360273 + ... + 360494.

It is an arithmetic number, because the mean of its divisors is an integer number (13694592).

Almost surely, 280005137 is an apocalyptic number.

It is an amenable number.

80005137 is a deficient number, since it is larger than the sum of its proper divisors (29551599).

80005137 is a wasteful number, since it uses less digits than its factorization.

80005137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720807.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 80005137 is about 8944.5590724194. The cubic root of 80005137 is about 430.8961605848.

The spelling of 80005137 in words is "eighty million, five thousand, one hundred thirty-seven".

Divisors: 1 3 37 111 720767 2162301 26668379 80005137