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80495093 = 723075351
BaseRepresentation
bin1001100110001…
…00000111110101
312121110120111202
410303010013311
5131101320333
611553142245
71665124400
oct463040765
9177416452
1080495093
114148a178
1222b5a985
13138a4843
14a994d37
1571005e8
hex4cc41f5

80495093 has 12 divisors (see below), whose sum is σ = 93959712. Its totient is φ = 68758200.

The previous prime is 80495053. The next prime is 80495099. The reversal of 80495093 is 39059408.

It is not a de Polignac number, because 80495093 - 26 = 80495029 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80495099) 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 11 ways as a sum of consecutive naturals, for example, 12368 + ... + 17718.

It is an arithmetic number, because the mean of its divisors is an integer number (7829976).

Almost surely, 280495093 is an apocalyptic number.

It is an amenable number.

80495093 is a deficient number, since it is larger than the sum of its proper divisors (13464619).

80495093 is a wasteful number, since it uses less digits than its factorization.

80495093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 80495093 is about 8971.9057618769. The cubic root of 80495093 is about 431.7739819217.

The spelling of 80495093 in words is "eighty million, four hundred ninety-five thousand, ninety-three".

Divisors: 1 7 49 307 2149 5351 15043 37457 262199 1642757 11499299 80495093