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80745675 = 3529071187
BaseRepresentation
bin1001101000000…
…01010011001011
312121221022020120
410310001103023
5131132330200
612002354323
72000220063
oct464012313
9177838216
1080745675
114164046a
122305b9a3
131396190a
14aa1c3a3
15714e9a0
hex4d014cb

80745675 has 24 divisors (see below), whose sum is σ = 133759296. Its totient is φ = 42980640.

The previous prime is 80745667. The next prime is 80745677. The reversal of 80745675 is 57654708.

It is not a de Polignac number, because 80745675 - 23 = 80745667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80745677) 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 23 ways as a sum of consecutive naturals, for example, 67432 + ... + 68618.

It is an arithmetic number, because the mean of its divisors is an integer number (5573304).

Almost surely, 280745675 is an apocalyptic number.

80745675 is a deficient number, since it is larger than the sum of its proper divisors (53013621).

80745675 is a wasteful number, since it uses less digits than its factorization.

80745675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 80745675 is about 8985.8597251459. The cubic root of 80745675 is about 432.2215566628.

The spelling of 80745675 in words is "eighty million, seven hundred forty-five thousand, six hundred seventy-five".

Divisors: 1 3 5 15 25 75 907 1187 2721 3561 4535 5935 13605 17805 22675 29675 68025 89025 1076609 3229827 5383045 16149135 26915225 80745675