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3129193 is a prime number
BaseRepresentation
bin1011111011111101101001
312212222110001
423323331221
51300113233
6151023001
735412004
oct13737551
95788401
103129193
111848011
12106aa61
138573c2
145b653b
1541c27d
hex2fbf69

3129193 has 2 divisors, whose sum is σ = 3129194. Its totient is φ = 3129192.

The previous prime is 3129169. The next prime is 3129199. The reversal of 3129193 is 3919213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2155024 + 974169 = 1468^2 + 987^2 .

It is an emirp because it is prime and its reverse (3919213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3129193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3129199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564596 + 1564597.

It is an arithmetic number, because the mean of its divisors is an integer number (1564597).

Almost surely, 23129193 is an apocalyptic number.

It is an amenable number.

3129193 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129193 is an equidigital number, since it uses as much as digits as its factorization.

3129193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 28.

The square root of 3129193 is about 1768.9525149082. The cubic root of 3129193 is about 146.2662465211.

The spelling of 3129193 in words is "three million, one hundred twenty-nine thousand, one hundred ninety-three".