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196079797 is a prime number
BaseRepresentation
bin10111010111111…
…11000010110101
3111122221212220201
423223333002311
5400144023142
631242400501
74600436134
oct1353770265
9448855821
10196079797
11a0755721
1255800131
1331813b64
141c08191b
1512332ab7
hexbaff0b5

196079797 has 2 divisors, whose sum is σ = 196079798. Its totient is φ = 196079796.

The previous prime is 196079783. The next prime is 196079801. The reversal of 196079797 is 797970691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129640996 + 66438801 = 11386^2 + 8151^2 .

It is a cyclic number.

It is not a de Polignac number, because 196079797 - 227 = 61862069 is a prime.

It is a super-2 number, since 2×1960797972 = 76894573583122418, 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 (196079197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98039898 + 98039899.

It is an arithmetic number, because the mean of its divisors is an integer number (98039899).

Almost surely, 2196079797 is an apocalyptic number.

It is an amenable number.

196079797 is a deficient number, since it is larger than the sum of its proper divisors (1).

196079797 is an equidigital number, since it uses as much as digits as its factorization.

196079797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500282, while the sum is 55.

The square root of 196079797 is about 14002.8496028487. The cubic root of 196079797 is about 580.9573932178.

The spelling of 196079797 in words is "one hundred ninety-six million, seventy-nine thousand, seven hundred ninety-seven".