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40681802 = 2723126341
BaseRepresentation
bin1001101100110…
…0000101001010
32211112211221102
42123030011022
540403304202
64011541402
71002534560
oct233140512
984484842
1040681802
1120a66927
121175a862
138574c95
14558da30
153888d02
hex26cc14a

40681802 has 16 divisors (see below), whose sum is σ = 72772992. Its totient is φ = 16676880.

The previous prime is 40681801. The next prime is 40681813. The reversal of 40681802 is 20818604.

It is not an unprimeable number, because it can be changed into a prime (40681801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62849 + ... + 63492.

It is an arithmetic number, because the mean of its divisors is an integer number (4548312).

Almost surely, 240681802 is an apocalyptic number.

40681802 is a deficient number, since it is larger than the sum of its proper divisors (32091190).

40681802 is a wasteful number, since it uses less digits than its factorization.

40681802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126373.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 40681802 is about 6378.2287509935. The cubic root of 40681802 is about 343.9273609471.

The spelling of 40681802 in words is "forty million, six hundred eighty-one thousand, eight hundred two".

Divisors: 1 2 7 14 23 46 161 322 126341 252682 884387 1768774 2905843 5811686 20340901 40681802