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214234157 is a prime number
BaseRepresentation
bin11001100010011…
…11010000101101
3112221010020000102
430301033100231
5414320443112
633131440445
75210650244
oct1461172055
9487106012
10214234157
11aaa25325
125b8b6125
13354cc197
142064995b
1513c1bbc2
hexcc4f42d

214234157 has 2 divisors, whose sum is σ = 214234158. Its totient is φ = 214234156.

The previous prime is 214234091. The next prime is 214234171. The reversal of 214234157 is 751432412.

214234157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167598916 + 46635241 = 12946^2 + 6829^2 .

It is a cyclic number.

It is not a de Polignac number, because 214234157 - 212 = 214230061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214234457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107117078 + 107117079.

It is an arithmetic number, because the mean of its divisors is an integer number (107117079).

Almost surely, 2214234157 is an apocalyptic number.

It is an amenable number.

214234157 is a deficient number, since it is larger than the sum of its proper divisors (1).

214234157 is an equidigital number, since it uses as much as digits as its factorization.

214234157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 214234157 is about 14636.7399717287. The cubic root of 214234157 is about 598.3604842459.

Adding to 214234157 its reverse (751432412), we get a palindrome (965666569).

The spelling of 214234157 in words is "two hundred fourteen million, two hundred thirty-four thousand, one hundred fifty-seven".