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193079669 is a prime number
BaseRepresentation
bin10111000001000…
…10100101110101
3111110022110111212
423200202211311
5343412022134
631054211205
74533102326
oct1340424565
9443273455
10193079669
1199a96682
12547b3b05
1331003433
141b90044d
1511e3dbce
hexb822975

193079669 has 2 divisors, whose sum is σ = 193079670. Its totient is φ = 193079668.

The previous prime is 193079647. The next prime is 193079737. The reversal of 193079669 is 966970391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188512900 + 4566769 = 13730^2 + 2137^2 .

It is an emirp because it is prime and its reverse (966970391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193079669 - 220 = 192031093 is a prime.

It is a super-2 number, since 2×1930796692 = 74559517162299122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193079629) 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, 96539834 + 96539835.

It is an arithmetic number, because the mean of its divisors is an integer number (96539835).

Almost surely, 2193079669 is an apocalyptic number.

It is an amenable number.

193079669 is a deficient number, since it is larger than the sum of its proper divisors (1).

193079669 is an equidigital number, since it uses as much as digits as its factorization.

193079669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 193079669 is about 13895.3110436579. The cubic root of 193079669 is about 577.9791631717.

The spelling of 193079669 in words is "one hundred ninety-three million, seventy-nine thousand, six hundred sixty-nine".