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40649214 = 2323832843
BaseRepresentation
bin1001101100010…
…0000111111110
32211111012020110
42123010013332
540401233324
64011130450
71002340554
oct233040776
984435213
1040649214
1120a443a1
1211743a26
1385631b8
145581bd4
15387e329
hex26c41fe

40649214 has 16 divisors (see below), whose sum is σ = 81361152. Its totient is φ = 13539288.

The previous prime is 40649209. The next prime is 40649221. The reversal of 40649214 is 41294604.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12877 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (5085072).

Almost surely, 240649214 is an apocalyptic number.

40649214 is an abundant number, since it is smaller than the sum of its proper divisors (40711938).

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

40649214 is a wasteful number, since it uses less digits than its factorization.

40649214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40649214 is about 6375.6736114704. The cubic root of 40649214 is about 343.8355025214.

The spelling of 40649214 in words is "forty million, six hundred forty-nine thousand, two hundred fourteen".

Divisors: 1 2 3 6 2383 2843 4766 5686 7149 8529 14298 17058 6774869 13549738 20324607 40649214