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11003957 is a prime number
BaseRepresentation
bin101001111110…
…100000110101
3202201001120222
4221332200311
510304111312
61031504125
7162350336
oct51764065
922631528
1011003957
116236488
123828045
132383823
14166628d
15e75672
hexa7e835

11003957 has 2 divisors, whose sum is σ = 11003958. Its totient is φ = 11003956.

The previous prime is 11003953. The next prime is 11004017. The reversal of 11003957 is 75930011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 1012036 = 3161^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003957 - 22 = 11003953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11003953) 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, 5501978 + 5501979.

It is an arithmetic number, because the mean of its divisors is an integer number (5501979).

Almost surely, 211003957 is an apocalyptic number.

It is an amenable number.

11003957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003957 is an equidigital number, since it uses as much as digits as its factorization.

11003957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 11003957 is about 3317.2212769123. The cubic root of 11003957 is about 222.4246734030.

Adding to 11003957 its reverse (75930011), we get a palindrome (86933968).

The spelling of 11003957 in words is "eleven million, three thousand, nine hundred fifty-seven".