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214123241 = 221396757
BaseRepresentation
bin11001100001101…
…00001011101001
3112220220120212102
430300310023221
5414303420431
633125223145
75210006003
oct1460641351
9486816772
10214123241
11aa959a62
125b861ab5
1335490857
142061b373
1513be8dcb
hexcc342e9

214123241 has 4 divisors (see below), whose sum is σ = 214222212. Its totient is φ = 214024272.

The previous prime is 214123229. The next prime is 214123243. The reversal of 214123241 is 142321412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213306025 + 817216 = 14605^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 214123241 - 210 = 214122217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46166 + ... + 50591.

It is an arithmetic number, because the mean of its divisors is an integer number (53555553).

Almost surely, 2214123241 is an apocalyptic number.

It is an amenable number.

214123241 is a deficient number, since it is larger than the sum of its proper divisors (98971).

214123241 is an equidigital number, since it uses as much as digits as its factorization.

214123241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98970.

The product of its digits is 384, while the sum is 20.

The square root of 214123241 is about 14632.9505227073. The cubic root of 214123241 is about 598.2572028500.

Adding to 214123241 its reverse (142321412), we get a palindrome (356444653).

The spelling of 214123241 in words is "two hundred fourteen million, one hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 2213 96757 214123241