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214561317 = 3137522047
BaseRepresentation
bin11001100100111…
…11001000100101
3112221201211210110
430302133020211
5414411430232
633142443233
75213512125
oct1462371045
9487654713
10214561317
11100129103
125ba33519
13355b5079
14206d2c85
1513c83acc
hexcc9f225

214561317 has 8 divisors (see below), whose sum is σ = 288170496. Its totient is φ = 141996512.

The previous prime is 214561313. The next prime is 214561337. The reversal of 214561317 is 713165412.

214561317 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 214561317 - 22 = 214561313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214561313) 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, 260613 + ... + 261434.

It is an arithmetic number, because the mean of its divisors is an integer number (36021312).

Almost surely, 2214561317 is an apocalyptic number.

It is an amenable number.

214561317 is a deficient number, since it is larger than the sum of its proper divisors (73609179).

214561317 is a wasteful number, since it uses less digits than its factorization.

214561317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522187.

The product of its digits is 5040, while the sum is 30.

The square root of 214561317 is about 14647.9116941631. The cubic root of 214561317 is about 598.6649175727.

The spelling of 214561317 in words is "two hundred fourteen million, five hundred sixty-one thousand, three hundred seventeen".

Divisors: 1 3 137 411 522047 1566141 71520439 214561317