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80675 = 527461
BaseRepresentation
bin10011101100100011
311002122222
4103230203
510040200
61421255
7454130
oct235443
9132588
1080675
1155681
123a82b
132a94a
1421587
1518d85
hex13b23

80675 has 12 divisors (see below), whose sum is σ = 114576. Its totient is φ = 55200.

The previous prime is 80671. The next prime is 80677. The reversal of 80675 is 57608.

It is not a de Polignac number, because 80675 - 22 = 80671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (9548).

280675 is an apocalyptic number.

80675 is a deficient number, since it is larger than the sum of its proper divisors (33901).

80675 is a wasteful number, since it uses less digits than its factorization.

80675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 80675 is about 284.0334487345. The cubic root of 80675 is about 43.2095415024.

The spelling of 80675 in words is "eighty thousand, six hundred seventy-five".

Divisors: 1 5 7 25 35 175 461 2305 3227 11525 16135 80675