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682540 = 22534127
BaseRepresentation
bin10100110101000101100
31021200021021
42212220230
5133320130
622343524
75541625
oct2465054
91250237
10682540
11426891
1228aba4
131ab891
1413aa4c
15d737a
hexa6a2c

682540 has 12 divisors (see below), whose sum is σ = 1433376. Its totient is φ = 273008.

The previous prime is 682531. The next prime is 682547. The reversal of 682540 is 45286.

It is not an unprimeable number, because it can be changed into a prime (682547) 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, 17044 + ... + 17083.

It is an arithmetic number, because the mean of its divisors is an integer number (119448).

2682540 is an apocalyptic number.

It is an amenable number.

682540 is an abundant number, since it is smaller than the sum of its proper divisors (750836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682540 is a wasteful number, since it uses less digits than its factorization.

682540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34136 (or 34134 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 682540 is about 826.1597908395. The cubic root of 682540 is about 88.0459470800.

The spelling of 682540 in words is "six hundred eighty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 34127 68254 136508 170635 341270 682540