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682193 = 1740129
BaseRepresentation
bin10100110100011010001
31021122210102
42212203101
5133312233
622342145
75540621
oct2464321
91248712
10682193
114265a6
1228a955
131ab685
1413a881
15d71e8
hexa68d1

682193 has 4 divisors (see below), whose sum is σ = 722340. Its totient is φ = 642048.

The previous prime is 682183. The next prime is 682207. The reversal of 682193 is 391286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 473344 = 457^2 + 688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-682193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20048 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (180585).

2682193 is an apocalyptic number.

It is an amenable number.

682193 is a deficient number, since it is larger than the sum of its proper divisors (40147).

682193 is a wasteful number, since it uses less digits than its factorization.

682193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40146.

The product of its digits is 2592, while the sum is 29.

The square root of 682193 is about 825.9497563411. The cubic root of 682193 is about 88.0310238411.

The spelling of 682193 in words is "six hundred eighty-two thousand, one hundred ninety-three".

Divisors: 1 17 40129 682193