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80608245 = 355373883
BaseRepresentation
bin1001100110111…
…11101111110101
312121200022201120
410303133233311
5131113430440
611555414153
71666105314
oct463375765
9177608646
1080608245
1141557193
1222bb4359
13139141b3
14a9c427b
157123dd0
hex4cdfbf5

80608245 has 8 divisors (see below), whose sum is σ = 128973216. Its totient is φ = 42991056.

The previous prime is 80608223. The next prime is 80608249. The reversal of 80608245 is 54280608.

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

It is not a de Polignac number, because 80608245 - 27 = 80608117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80608249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686927 + ... + 2686956.

It is an arithmetic number, because the mean of its divisors is an integer number (16121652).

Almost surely, 280608245 is an apocalyptic number.

It is an amenable number.

80608245 is a deficient number, since it is larger than the sum of its proper divisors (48364971).

80608245 is a wasteful number, since it uses less digits than its factorization.

80608245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373891.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 80608245 is about 8978.2094540058. The cubic root of 80608245 is about 431.9762021784.

The spelling of 80608245 in words is "eighty million, six hundred eight thousand, two hundred forty-five".

Divisors: 1 3 5 15 5373883 16121649 26869415 80608245