Search a number
-
+
214442533 is a prime number
BaseRepresentation
bin11001100100000…
…10001000100101
3112221111210212001
430302002020211
5414344130113
633140125301
75212505614
oct1462021045
9487453761
10214442533
11100057938
125b996831
1335572c96
14206a187b
1513c5d7dd
hexcc82225

214442533 has 2 divisors, whose sum is σ = 214442534. Its totient is φ = 214442532.

The previous prime is 214442519. The next prime is 214442561. The reversal of 214442533 is 335244412.

It is a happy number.

It is an a-pointer prime, because the next prime (214442561) can be obtained adding 214442533 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179372449 + 35070084 = 13393^2 + 5922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214442533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214412533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107221266 + 107221267.

It is an arithmetic number, because the mean of its divisors is an integer number (107221267).

Almost surely, 2214442533 is an apocalyptic number.

It is an amenable number.

214442533 is a deficient number, since it is larger than the sum of its proper divisors (1).

214442533 is an equidigital number, since it uses as much as digits as its factorization.

214442533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 214442533 is about 14643.8564934241. The cubic root of 214442533 is about 598.5544208914.

Adding to 214442533 its reverse (335244412), we get a palindrome (549686945).

The spelling of 214442533 in words is "two hundred fourteen million, four hundred forty-two thousand, five hundred thirty-three".