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211413 = 3193709
BaseRepresentation
bin110011100111010101
3101202000010
4303213111
523231123
64310433
71540236
oct634725
9352003
10211413
11134924
12a2419
13752c7
145708d
1542993
hex339d5

211413 has 8 divisors (see below), whose sum is σ = 296800. Its totient is φ = 133488.

The previous prime is 211403. The next prime is 211427. The reversal of 211413 is 314112.

It is a happy number.

211413 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211413 - 26 = 211349 is a prime.

It is a Duffinian number.

211413 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (37100).

2211413 is an apocalyptic number.

It is an amenable number.

211413 is a deficient number, since it is larger than the sum of its proper divisors (85387).

211413 is a wasteful number, since it uses less digits than its factorization.

211413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 24, while the sum is 12.

The square root of 211413 is about 459.7966942030. The cubic root of 211413 is about 59.5722353149.

Adding to 211413 its reverse (314112), we get a palindrome (525525).

The spelling of 211413 in words is "two hundred eleven thousand, four hundred thirteen".

Divisors: 1 3 19 57 3709 11127 70471 211413