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213334141 = 613497281
BaseRepresentation
bin11001011011100…
…11100001111101
3112212102111102111
430231303201331
5414103143031
633100254021
75200211266
oct1455634175
9485374374
10213334141
11aa470109
125b541311
1335275627
142049396d
1513ae01b1
hexcb7387d

213334141 has 4 divisors (see below), whose sum is σ = 216831484. Its totient is φ = 209836800.

The previous prime is 213334129. The next prime is 213334151. The reversal of 213334141 is 141433312.

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 13111641 + 200222500 = 3621^2 + 14150^2 .

It is a cyclic number.

It is not a de Polignac number, because 213334141 - 27 = 213334013 is a prime.

It is a super-2 number, since 2×2133341412 = 91022911432415762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213334151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748580 + ... + 1748701.

It is an arithmetic number, because the mean of its divisors is an integer number (54207871).

Almost surely, 2213334141 is an apocalyptic number.

It is an amenable number.

213334141 is a deficient number, since it is larger than the sum of its proper divisors (3497343).

213334141 is an equidigital number, since it uses as much as digits as its factorization.

213334141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497342.

The product of its digits is 864, while the sum is 22.

The square root of 213334141 is about 14605.9625153565. The cubic root of 213334141 is about 597.5213869319.

Adding to 213334141 its reverse (141433312), we get a palindrome (354767453).

The spelling of 213334141 in words is "two hundred thirteen million, three hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 61 3497281 213334141