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197514901 is a prime number
BaseRepresentation
bin10111100010111…
…01011010010101
3111202122210111201
423301131122111
5401030434101
631333232501
74615564123
oct1361353225
9452583451
10197514901
11a1545961
1256192731
1331bc712c
141c336913
1512517e01
hexbc5d695

197514901 has 2 divisors, whose sum is σ = 197514902. Its totient is φ = 197514900.

The previous prime is 197514883. The next prime is 197514973. The reversal of 197514901 is 109415791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181306225 + 16208676 = 13465^2 + 4026^2 .

It is a cyclic number.

It is not a de Polignac number, because 197514901 - 211 = 197512853 is a prime.

It is a super-2 number, since 2×1975149012 = 78024272234079602, 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 (197514301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98757450 + 98757451.

It is an arithmetic number, because the mean of its divisors is an integer number (98757451).

Almost surely, 2197514901 is an apocalyptic number.

It is an amenable number.

197514901 is a deficient number, since it is larger than the sum of its proper divisors (1).

197514901 is an equidigital number, since it uses as much as digits as its factorization.

197514901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 197514901 is about 14053.9994663441. Note that the first 3 decimals coincide. The cubic root of 197514901 is about 582.3712877885.

The spelling of 197514901 in words is "one hundred ninety-seven million, five hundred fourteen thousand, nine hundred one".