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11271929 is a prime number
BaseRepresentation
bin101010111111…
…111011111001
3210012200011212
4222333323321
510341200204
61041332505
7164544524
oct52777371
923180155
1011271929
1163a9849
123937135
1324487a6
1416d5bbb
15ec9c6e
hexabfef9

11271929 has 2 divisors, whose sum is σ = 11271930. Its totient is φ = 11271928.

The previous prime is 11271919. The next prime is 11271937. The reversal of 11271929 is 92917211.

11271929 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 1317904 = 3155^2 + 1148^2 .

It is an emirp because it is prime and its reverse (92917211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11271929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11271895 and 11271904.

It is not a weakly prime, because it can be changed into another prime (11271919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635964 + 5635965.

It is an arithmetic number, because the mean of its divisors is an integer number (5635965).

Almost surely, 211271929 is an apocalyptic number.

It is an amenable number.

11271929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271929 is an equidigital number, since it uses as much as digits as its factorization.

11271929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 32.

The square root of 11271929 is about 3357.3693571009. The cubic root of 11271929 is about 224.2157320556.

The spelling of 11271929 in words is "eleven million, two hundred seventy-one thousand, nine hundred twenty-nine".