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74231 is a prime number
BaseRepresentation
bin10010000111110111
310202211022
4102013313
54333411
61331355
7426263
oct220767
9122738
1074231
1150853
1236b5b
1327a31
141d0a3
1516edb
hex121f7

74231 has 2 divisors, whose sum is σ = 74232. Its totient is φ = 74230.

The previous prime is 74219. The next prime is 74257. The reversal of 74231 is 13247.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74231 - 26 = 74167 is a prime.

It is a super-2 number, since 2×742312 = 11020482722, which contains 22 as substring.

It is a Chen prime.

It is equal to p7325 and since 74231 and 7325 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74231.

It is not a weakly prime, because it can be changed into another prime (74201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37115 + 37116.

It is an arithmetic number, because the mean of its divisors is an integer number (37116).

274231 is an apocalyptic number.

74231 is a deficient number, since it is larger than the sum of its proper divisors (1).

74231 is an equidigital number, since it uses as much as digits as its factorization.

74231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 17.

The square root of 74231 is about 272.4536657856. The cubic root of 74231 is about 42.0270045532.

Adding to 74231 its reverse (13247), we get a palindrome (87478).

The spelling of 74231 in words is "seventy-four thousand, two hundred thirty-one".