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195014231 is a prime number
BaseRepresentation
bin10111001111110…
…10111001010111
3111120221202020022
423213322321113
5344410423411
631203455355
74555410416
oct1347727127
9446852208
10195014231
11a0098095
125538755b
133152cb49
141bc8547d
15121c1edb
hexb9fae57

195014231 has 2 divisors, whose sum is σ = 195014232. Its totient is φ = 195014230.

The previous prime is 195014221. The next prime is 195014249. The reversal of 195014231 is 132410591.

It is a weak prime.

It is an emirp because it is prime and its reverse (132410591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195014231 - 222 = 190819927 is a prime.

It is a super-2 number, since 2×1950142312 = 76061100585042722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195014231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195014221) 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, 97507115 + 97507116.

It is an arithmetic number, because the mean of its divisors is an integer number (97507116).

Almost surely, 2195014231 is an apocalyptic number.

195014231 is a deficient number, since it is larger than the sum of its proper divisors (1).

195014231 is an equidigital number, since it uses as much as digits as its factorization.

195014231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 195014231 is about 13964.7495860112. The cubic root of 195014231 is about 579.9031060890.

It can be divided in two parts, 19501 and 4231, that added together give a palindrome (23732).

The spelling of 195014231 in words is "one hundred ninety-five million, fourteen thousand, two hundred thirty-one".