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214742833 = 997215389
BaseRepresentation
bin11001100110010…
…11011100110001
3112222002001210021
430303023130301
5414433232313
633150403441
75215166254
oct1463133461
9488061707
10214742833
11100242518
125bb00581
1335649886
142073d09b
1513cbc78d
hexcccb731

214742833 has 4 divisors (see below), whose sum is σ = 214959220. Its totient is φ = 214526448.

The previous prime is 214742779. The next prime is 214742851. The reversal of 214742833 is 338247412.

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 189007504 + 25735329 = 13748^2 + 5073^2 .

It is a cyclic number.

It is not a de Polignac number, because 214742833 - 29 = 214742321 is a prime.

It is a super-2 number, since 2×2147428332 = 92228968649731778, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (214742863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106698 + ... + 108691.

It is an arithmetic number, because the mean of its divisors is an integer number (53739805).

Almost surely, 2214742833 is an apocalyptic number.

It is an amenable number.

214742833 is a deficient number, since it is larger than the sum of its proper divisors (216387).

214742833 is an equidigital number, since it uses as much as digits as its factorization.

214742833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216386.

The product of its digits is 32256, while the sum is 34.

The square root of 214742833 is about 14654.1063528282. The cubic root of 214742833 is about 598.8336908220.

The spelling of 214742833 in words is "two hundred fourteen million, seven hundred forty-two thousand, eight hundred thirty-three".

Divisors: 1 997 215389 214742833