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214438 = 2717253
BaseRepresentation
bin110100010110100110
3101220011011
4310112212
523330223
64332434
71552120
oct642646
9356134
10214438
11137124
12a411a
13767b3
1458210
154380d
hex345a6

214438 has 24 divisors (see below), whose sum is σ = 397872. Its totient is φ = 84864.

The previous prime is 214433. The next prime is 214439. The reversal of 214438 is 834412.

214438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (768) is a multiple of the sum of its prime factors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214433) by changing a digit.

214438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4020 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (16578).

2214438 is an apocalyptic number.

214438 is a deficient number, since it is larger than the sum of its proper divisors (183434).

214438 is a wasteful number, since it uses less digits than its factorization.

214438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 79 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 214438 is about 463.0745080438. The cubic root of 214438 is about 59.8550203341.

The spelling of 214438 in words is "two hundred fourteen thousand, four hundred thirty-eight".

Divisors: 1 2 7 14 17 34 53 106 119 238 289 371 578 742 901 1802 2023 4046 6307 12614 15317 30634 107219 214438