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214432 = 256701
BaseRepresentation
bin110100010110100000
3101220010221
4310112200
523330212
64332424
71552111
oct642640
9356127
10214432
11137119
12a4114
13767aa
1458208
1543807
hex345a0

214432 has 12 divisors (see below), whose sum is σ = 422226. Its totient is φ = 107200.

The previous prime is 214399. The next prime is 214433. The reversal of 214432 is 234412.

214432 is digitally balanced in base 3, 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 only one way, i.e., 190096 + 24336 = 436^2 + 156^2 .

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (16).

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3319 + ... + 3382.

2214432 is an apocalyptic number.

It is an amenable number.

214432 is a deficient number, since it is larger than the sum of its proper divisors (207794).

214432 is an equidigital number, since it uses as much as digits as its factorization.

214432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711 (or 6703 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 214432 is about 463.0680295594. The cubic root of 214432 is about 59.8544620788.

Adding to 214432 its reverse (234412), we get a palindrome (448844).

It can be divided in two parts, 214 and 432, that added together give a palindrome (646).

The spelling of 214432 in words is "two hundred fourteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 6701 13402 26804 53608 107216 214432