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180425 = 5271031
BaseRepresentation
bin101100000011001001
3100011111102
4230003021
521233200
63511145
71351010
oct540311
9304442
10180425
11113613
12884b5
136417b
1449a77
15386d5
hex2c0c9

180425 has 12 divisors (see below), whose sum is σ = 255936. Its totient is φ = 123600.

The previous prime is 180419. The next prime is 180437. The reversal of 180425 is 524081.

It is not a de Polignac number, because 180425 - 26 = 180361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 180397 and 180406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 180425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (21328).

2180425 is an apocalyptic number.

It is an amenable number.

180425 is a deficient number, since it is larger than the sum of its proper divisors (75511).

180425 is a wasteful number, since it uses less digits than its factorization.

180425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 180425 is about 424.7646407129. The cubic root of 180425 is about 56.5065646169.

The spelling of 180425 in words is "one hundred eighty thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 1031 5155 7217 25775 36085 180425