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193182149 is a prime number
BaseRepresentation
bin10111000001110…
…11100111000101
3111110111200002102
423200323213011
5343423312044
631100321445
74534010156
oct1340734705
9443450072
10193182149
119a056676
1254843285
133103ac84
141b92992d
1511e5e24e
hexb83b9c5

193182149 has 2 divisors, whose sum is σ = 193182150. Its totient is φ = 193182148.

The previous prime is 193182091. The next prime is 193182233. The reversal of 193182149 is 941281391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 68145025 = 11182^2 + 8255^2 .

It is a cyclic number.

It is not a de Polignac number, because 193182149 - 220 = 192133573 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 (193182449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96591074 + 96591075.

It is an arithmetic number, because the mean of its divisors is an integer number (96591075).

Almost surely, 2193182149 is an apocalyptic number.

It is an amenable number.

193182149 is a deficient number, since it is larger than the sum of its proper divisors (1).

193182149 is an equidigital number, since it uses as much as digits as its factorization.

193182149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 38.

The square root of 193182149 is about 13898.9981293617. The cubic root of 193182149 is about 578.0814021917.

The spelling of 193182149 in words is "one hundred ninety-three million, one hundred eighty-two thousand, one hundred forty-nine".