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214424 = 2372547
BaseRepresentation
bin110100010110011000
3101220010122
4310112120
523330144
64332412
71552100
oct642630
9356118
10214424
11137111
12a4108
13767a2
1458200
15437ee
hex34598

214424 has 24 divisors (see below), whose sum is σ = 468540. Its totient is φ = 91728.

The previous prime is 214399. The next prime is 214433. The reversal of 214424 is 424412.

214424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

214424 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 5 ways as a sum of consecutive naturals, for example, 119 + ... + 665.

2214424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234270).

214424 is an abundant number, since it is smaller than the sum of its proper divisors (254116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214424 is a wasteful number, since it uses less digits than its factorization.

214424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 556 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 214424 is about 463.0593914392. The cubic root of 214424 is about 59.8537177222.

Adding to 214424 its reverse (424412), we get a palindrome (638836).

The spelling of 214424 in words is "two hundred fourteen thousand, four hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 547 1094 2188 3829 4376 7658 15316 26803 30632 53606 107212 214424