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80466505 = 574395237
BaseRepresentation
bin1001100101111…
…01001001001001
312121102010021221
410302331021021
5131044412010
611552402041
71664645140
oct462751111
9177363257
1080466505
114146a749
1222b46321
1313894822
14a988757
1570e6dda
hex4cbd249

80466505 has 16 divisors (see below), whose sum is σ = 110626560. Its totient is φ = 55040832.

The previous prime is 80466499. The next prime is 80466521. The reversal of 80466505 is 50566408.

It is not a de Polignac number, because 80466505 - 27 = 80466377 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12747 + ... + 17983.

It is an arithmetic number, because the mean of its divisors is an integer number (6914160).

Almost surely, 280466505 is an apocalyptic number.

It is an amenable number.

80466505 is a deficient number, since it is larger than the sum of its proper divisors (30160055).

80466505 is a wasteful number, since it uses less digits than its factorization.

80466505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 80466505 is about 8970.3124248824. The cubic root of 80466505 is about 431.7228607262.

The spelling of 80466505 in words is "eighty million, four hundred sixty-six thousand, five hundred five".

Divisors: 1 5 7 35 439 2195 3073 5237 15365 26185 36659 183295 2299043 11495215 16093301 80466505