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214669 = 7213337
BaseRepresentation
bin110100011010001101
3101220110201
4310122031
523332134
64333501
71552600
oct643215
9356421
10214669
11137314
12a4291
1376930
1458337
1543914
hex3468d

214669 has 12 divisors (see below), whose sum is σ = 269724. Its totient is φ = 169344.

The previous prime is 214667. The next prime is 214673. The reversal of 214669 is 966412.

214669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44100 + 170569 = 210^2 + 413^2 .

It is not a de Polignac number, because 214669 - 21 = 214667 is a prime.

It is a super-2 number, since 2×2146692 = 92165559122, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469 + ... + 805.

It is an arithmetic number, because the mean of its divisors is an integer number (22477).

2214669 is an apocalyptic number.

214669 is the 268-th hex number.

It is an amenable number.

214669 is a deficient number, since it is larger than the sum of its proper divisors (55055).

214669 is a wasteful number, since it uses less digits than its factorization.

214669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 357 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 214669 is about 463.3238608144. The cubic root of 214669 is about 59.8765052511.

The spelling of 214669 in words is "two hundred fourteen thousand, six hundred sixty-nine".

Divisors: 1 7 13 49 91 337 637 2359 4381 16513 30667 214669