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214423829 = 853725117
BaseRepresentation
bin11001100011111…
…01100100010101
3112221110212012022
430301331210111
5414343030304
633135502525
75212400234
oct1461754425
9487425168
10214423829
11100044884
125b987a45
1335567609
1420698b1b
1513c57ebe
hexcc7d915

214423829 has 4 divisors (see below), whose sum is σ = 214457484. Its totient is φ = 214390176.

The previous prime is 214423817. The next prime is 214423831. The reversal of 214423829 is 928324412.

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 161163025 + 53260804 = 12695^2 + 7298^2 .

It is a cyclic number.

It is not a de Polignac number, because 214423829 - 216 = 214358293 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 (214423889) 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, 4022 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (53614371).

Almost surely, 2214423829 is an apocalyptic number.

It is an amenable number.

214423829 is a deficient number, since it is larger than the sum of its proper divisors (33655).

214423829 is an equidigital number, since it uses as much as digits as its factorization.

214423829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33654.

The product of its digits is 27648, while the sum is 35.

The square root of 214423829 is about 14643.2178499126. The cubic root of 214423829 is about 598.5370181134.

The spelling of 214423829 in words is "two hundred fourteen million, four hundred twenty-three thousand, eight hundred twenty-nine".

Divisors: 1 8537 25117 214423829