Search a number
-
+
80499585 = 3512742257
BaseRepresentation
bin1001100110001…
…01001110000001
312121110210200010
410303011032001
5131101441320
611553215133
71665143445
oct463051601
9177423603
1080499585
1141492591
1222b614a9
13138a68ba
14a996825
157101ae0
hex4cc5381

80499585 has 16 divisors (see below), whose sum is σ = 129816576. Its totient is φ = 42594048.

The previous prime is 80499581. The next prime is 80499589. The reversal of 80499585 is 58599408.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80499581) and next prime (80499589).

It is not a de Polignac number, because 80499585 - 22 = 80499581 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80499581) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 19224 + ... + 23033.

It is an arithmetic number, because the mean of its divisors is an integer number (8113536).

Almost surely, 280499585 is an apocalyptic number.

It is an amenable number.

80499585 is a deficient number, since it is larger than the sum of its proper divisors (49316991).

80499585 is a wasteful number, since it uses less digits than its factorization.

80499585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42392.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 80499585 is about 8972.1560953876. The cubic root of 80499585 is about 431.7820134367.

The spelling of 80499585 in words is "eighty million, four hundred ninety-nine thousand, five hundred eighty-five".

Divisors: 1 3 5 15 127 381 635 1905 42257 126771 211285 633855 5366639 16099917 26833195 80499585