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214405271 = 227394327
BaseRepresentation
bin11001100011110…
…01000010010111
3112221102220201222
430301321002113
5414341432041
633135240555
75212262153
oct1461710227
9487386658
10214405271
11100031943
125b97915b
133555c032
1420692063
1513c5274b
hexcc79097

214405271 has 4 divisors (see below), whose sum is σ = 214501872. Its totient is φ = 214308672.

The previous prime is 214405231. The next prime is 214405283. The reversal of 214405271 is 172504412.

214405271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214405271 - 210 = 214404247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214405271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214405201) 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, 44891 + ... + 49436.

It is an arithmetic number, because the mean of its divisors is an integer number (53625468).

Almost surely, 2214405271 is an apocalyptic number.

214405271 is a deficient number, since it is larger than the sum of its proper divisors (96601).

214405271 is an equidigital number, since it uses as much as digits as its factorization.

214405271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96600.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 214405271 is about 14642.5841640060. The cubic root of 214405271 is about 598.5197501780.

Adding to 214405271 its reverse (172504412), we get a palindrome (386909683).

The spelling of 214405271 in words is "two hundred fourteen million, four hundred five thousand, two hundred seventy-one".

Divisors: 1 2273 94327 214405271