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214424141 = 734216977
BaseRepresentation
bin11001100011111…
…01101001001101
3112221110212121212
430301331221031
5414343033031
633135504205
75212401161
oct1461755115
9487425555
10214424141
11100045038
125b988065
13355677b9
1420698ca1
1513c5812b
hexcc7da4d

214424141 has 8 divisors (see below), whose sum is σ = 217908984. Its totient is φ = 210954240.

The previous prime is 214424123. The next prime is 214424153. The reversal of 214424141 is 141424412.

214424141 = T250 + T251 + ... + T1091.

It can be written as a sum of positive squares in 4 ways, for example, as 1876900 + 212547241 = 1370^2 + 14579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214424141 - 226 = 147315277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214424341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27245 + ... + 34221.

It is an arithmetic number, because the mean of its divisors is an integer number (27238623).

Almost surely, 2214424141 is an apocalyptic number.

It is an amenable number.

214424141 is a deficient number, since it is larger than the sum of its proper divisors (3484843).

214424141 is an equidigital number, since it uses as much as digits as its factorization.

214424141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471.

The product of its digits is 1024, while the sum is 23.

The square root of 214424141 is about 14643.2285033049. The cubic root of 214424141 is about 598.5373084161.

Adding to 214424141 its reverse (141424412), we get a palindrome (355848553).

The spelling of 214424141 in words is "two hundred fourteen million, four hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 73 421 6977 30733 509321 2937317 214424141