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80580107 = 139579713
BaseRepresentation
bin1001100110110…
…00111000001011
312121121220010102
410303120320023
5131112030412
611555040015
71665630266
oct463307013
9177556112
1080580107
1141538033
1222ba000b
131390444a
14a9b7cdd
15711a8c2
hex4cd8e0b

80580107 has 4 divisors (see below), whose sum is σ = 81159960. Its totient is φ = 80000256.

The previous prime is 80580013. The next prime is 80580127. The reversal of 80580107 is 70108508.

It is a happy number.

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 80580107 - 214 = 80563723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80580107.

It is not an unprimeable number, because it can be changed into a prime (80580127) by changing a digit.

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, 289718 + ... + 289995.

It is an arithmetic number, because the mean of its divisors is an integer number (20289990).

Almost surely, 280580107 is an apocalyptic number.

80580107 is a deficient number, since it is larger than the sum of its proper divisors (579853).

80580107 is a wasteful number, since it uses less digits than its factorization.

80580107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579852.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 80580107 is about 8976.6423009943. The cubic root of 80580107 is about 431.9259328751.

The spelling of 80580107 in words is "eighty million, five hundred eighty thousand, one hundred seven".

Divisors: 1 139 579713 80580107