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214115321 = 739077829
BaseRepresentation
bin11001100001100…
…10001111111001
3112220220012000002
430300302033321
5414303142241
633125122345
75206643630
oct1460621771
9486805002
10214115321
11aa954012
125b8593b5
133548a074
1420618517
1513be689b
hexcc323f9

214115321 has 8 divisors (see below), whose sum is σ = 244797120. Its totient is φ = 183457008.

The previous prime is 214115311. The next prime is 214115413. The reversal of 214115321 is 123511412.

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

It is a de Polignac number, because none of the positive numbers 2k-214115321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214115293 and 214115302.

It is not an unprimeable number, because it can be changed into a prime (214115311) 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, 23435 + ... + 31263.

It is an arithmetic number, because the mean of its divisors is an integer number (30599640).

Almost surely, 2214115321 is an apocalyptic number.

It is an amenable number.

214115321 is a deficient number, since it is larger than the sum of its proper divisors (30681799).

214115321 is an equidigital number, since it uses as much as digits as its factorization.

214115321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743.

The product of its digits is 240, while the sum is 20.

The square root of 214115321 is about 14632.6798980911. The cubic root of 214115321 is about 598.2498266377.

Adding to 214115321 its reverse (123511412), we get a palindrome (337626733).

The spelling of 214115321 in words is "two hundred fourteen million, one hundred fifteen thousand, three hundred twenty-one".

Divisors: 1 7 3907 7829 27349 54803 30587903 214115321