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40210249 is a prime number
BaseRepresentation
bin1001100101100…
…0111101001001
32210122220002111
42121120331021
540243211444
63553502321
7665532022
oct231307511
983586074
1040210249
1120774612
12115719a1
13843b461
1454a9c49
1537e4234
hex2658f49

40210249 has 2 divisors, whose sum is σ = 40210250. Its totient is φ = 40210248.

The previous prime is 40210237. The next prime is 40210267. The reversal of 40210249 is 94201204.

40210249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 608400 = 6293^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 40210249 - 223 = 31821641 is a prime.

It is not a weakly prime, because it can be changed into another prime (40210349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105124 + 20105125.

It is an arithmetic number, because the mean of its divisors is an integer number (20105125).

Almost surely, 240210249 is an apocalyptic number.

It is an amenable number.

40210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40210249 is an equidigital number, since it uses as much as digits as its factorization.

40210249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40210249 is about 6341.1551786721. The cubic root of 40210249 is about 342.5933437662.

The spelling of 40210249 in words is "forty million, two hundred ten thousand, two hundred forty-nine".