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40250957 is a prime number
BaseRepresentation
bin1001100110001…
…0111001001101
32210201221221012
42121202321031
540301012312
63554415005
7666061505
oct231427115
983657835
1040250957
11207a215a
1211591465
138453b46
1454baa05
153801322
hex2662e4d

40250957 has 2 divisors, whose sum is σ = 40250958. Its totient is φ = 40250956.

The previous prime is 40250953. The next prime is 40250963. The reversal of 40250957 is 75905204.

40250957 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., 38576521 + 1674436 = 6211^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250957 - 22 = 40250953 is a prime.

It is equal to p2447951 and since 40250957 and 2447951 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40250953) 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, 20125478 + 20125479.

It is an arithmetic number, because the mean of its divisors is an integer number (20125479).

Almost surely, 240250957 is an apocalyptic number.

It is an amenable number.

40250957 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250957 is an equidigital number, since it uses as much as digits as its factorization.

40250957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 40250957 is about 6344.3641919423. The cubic root of 40250957 is about 342.7089161764.

The spelling of 40250957 in words is "forty million, two hundred fifty thousand, nine hundred fifty-seven".