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40682 = 220341
BaseRepresentation
bin1001111011101010
32001210202
421323222
52300212
6512202
7226415
oct117352
961722
1040682
1128624
121b662
1315695
1410b7c
15c0c2
hex9eea

40682 has 4 divisors (see below), whose sum is σ = 61026. Its totient is φ = 20340.

The previous prime is 40639. The next prime is 40693. The reversal of 40682 is 28604.

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

It can be written as a sum of positive squares in only one way, i.e., 32761 + 7921 = 181^2 + 89^2 .

It is an unprimeable number.

40682 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10169 + ... + 10172.

240682 is an apocalyptic number.

40682 is a deficient number, since it is larger than the sum of its proper divisors (20344).

40682 is a wasteful number, since it uses less digits than its factorization.

40682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20343.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40682 is about 201.6977937410. The cubic root of 40682 is about 34.3927918916.

The spelling of 40682 in words is "forty thousand, six hundred eighty-two".

Divisors: 1 2 20341 40682