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505082 = 2252541
BaseRepresentation
bin1111011010011111010
3221122211202
41323103322
5112130312
614454202
74202354
oct1732372
9848752
10505082
11315526
12204362
13148b86
14d20d4
159e9c2
hex7b4fa

505082 has 4 divisors (see below), whose sum is σ = 757626. Its totient is φ = 252540.

The previous prime is 505073. The next prime is 505091. The reversal of 505082 is 280505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280505 = 556101.

It is an interprime number because it is at equal distance from previous prime (505073) and next prime (505091).

It can be written as a sum of positive squares in only one way, i.e., 502681 + 2401 = 709^2 + 49^2 .

It is an unprimeable number.

505082 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 126269 + ... + 126272.

2505082 is an apocalyptic number.

505082 is a deficient number, since it is larger than the sum of its proper divisors (252544).

505082 is a wasteful number, since it uses less digits than its factorization.

505082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252543.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 505082 is about 710.6912128344. The cubic root of 505082 is about 79.6380523938.

Adding to 505082 its reverse (280505), we get a palindrome (785587).

The spelling of 505082 in words is "five hundred five thousand, eighty-two".

Divisors: 1 2 252541 505082