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197001293 is a prime number
BaseRepresentation
bin10111011111000…
…00000001001101
3111201200200222012
423233200001031
5400413020133
631314231005
74611324536
oct1357400115
9451620865
10197001293
11a1224a95
1255b85465
1331a77418
141c24168d
1512465b48
hexbbe004d

197001293 has 2 divisors, whose sum is σ = 197001294. Its totient is φ = 197001292.

The previous prime is 197001251. The next prime is 197001317. The reversal of 197001293 is 392100791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139877929 + 57123364 = 11827^2 + 7558^2 .

It is a cyclic number.

It is not a de Polignac number, because 197001293 - 26 = 197001229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197001223) 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, 98500646 + 98500647.

It is an arithmetic number, because the mean of its divisors is an integer number (98500647).

Almost surely, 2197001293 is an apocalyptic number.

It is an amenable number.

197001293 is a deficient number, since it is larger than the sum of its proper divisors (1).

197001293 is an equidigital number, since it uses as much as digits as its factorization.

197001293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 197001293 is about 14035.7149087604. The cubic root of 197001293 is about 581.8660597607.

Adding to 197001293 its sum of digits (32), we get a triangular number (197001325 = T19849).

The spelling of 197001293 in words is "one hundred ninety-seven million, one thousand, two hundred ninety-three".