Cookie Consent by FreePrivacyPolicy.com
Search a number
-
+
111404071 is a prime number
BaseRepresentation
bin1101010001111…
…10010000100111
321202121220122201
412220332100213
5212004412241
615015435331
72521630132
oct650762047
9252556581
10111404071
1157980589
1231385b47
131a10748c
1410b1d219
159ba8931
hex6a3e427

111404071 has 2 divisors, whose sum is σ = 111404072. Its totient is φ = 111404070.

The previous prime is 111404047. The next prime is 111404107. The reversal of 111404071 is 170404111.

Together with next prime (111404107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111404071 - 215 = 111371303 is a prime.

It is a super-3 number, since 3×1114040713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111404021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702035 + 55702036.

It is an arithmetic number, because the mean of its divisors is an integer number (55702036).

Almost surely, 2111404071 is an apocalyptic number.

111404071 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404071 is an equidigital number, since it uses as much as digits as its factorization.

111404071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 111404071 is about 10554.8126937431. The cubic root of 111404071 is about 481.1720072406.

Adding to 111404071 its reverse (170404111), we get a palindrome (281808182).

It can be divided in two parts, 1114040 and 71, that added together give a palindrome (1114111).

The spelling of 111404071 in words is "one hundred eleven million, four hundred four thousand, seventy-one".