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197103461 is a prime number
BaseRepresentation
bin10111011111110…
…00111101100101
3111201212220010012
423233320331211
5400424302321
631320340005
74612231442
oct1357707545
9451786105
10197103461
11a1294825
1256014605
1331ab1a89
141c26a9c9
151248605b
hexbbf8f65

197103461 has 2 divisors, whose sum is σ = 197103462. Its totient is φ = 197103460.

The previous prime is 197103451. The next prime is 197103463. The reversal of 197103461 is 164301791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193043236 + 4060225 = 13894^2 + 2015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-197103461 is a prime.

Together with 197103463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197103463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98551730 + 98551731.

It is an arithmetic number, because the mean of its divisors is an integer number (98551731).

Almost surely, 2197103461 is an apocalyptic number.

It is an amenable number.

197103461 is a deficient number, since it is larger than the sum of its proper divisors (1).

197103461 is an equidigital number, since it uses as much as digits as its factorization.

197103461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 197103461 is about 14039.3540093553. The cubic root of 197103461 is about 581.9666307041.

The spelling of 197103461 in words is "one hundred ninety-seven million, one hundred three thousand, four hundred sixty-one".