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83025 = 345241
BaseRepresentation
bin10100010001010001
311012220000
4110101101
510124100
61440213
7464025
oct242121
9135800
1083025
1157418
1240069
132ba37
1422385
1519900
hex14451

83025 has 30 divisors (see below), whose sum is σ = 157542. Its totient is φ = 43200.

The previous prime is 83023. The next prime is 83047. The reversal of 83025 is 52038.

It can be written as a sum of positive squares in 3 ways, for example, as 81 + 82944 = 9^2 + 288^2 .

It is not a de Polignac number, because 83025 - 21 = 83023 is a prime.

83025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 82989 and 83007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83023) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2005 + ... + 2045.

283025 is an apocalyptic number.

It is an amenable number.

83025 is a deficient number, since it is larger than the sum of its proper divisors (74517).

83025 is a wasteful number, since it uses less digits than its factorization.

83025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 83025 is about 288.1405906845. The cubic root of 83025 is about 43.6250858639.

The spelling of 83025 in words is "eighty-three thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 41 45 75 81 123 135 205 225 369 405 615 675 1025 1107 1845 2025 3075 3321 5535 9225 16605 27675 83025