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214436 = 2253609
BaseRepresentation
bin110100010110100100
3101220011002
4310112210
523330221
64332432
71552115
oct642644
9356132
10214436
11137122
12a4118
13767b1
145820c
154380b
hex345a4

214436 has 6 divisors (see below), whose sum is σ = 375270. Its totient is φ = 107216.

The previous prime is 214433. The next prime is 214439. The reversal of 214436 is 634412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (214433) and next prime (214439).

It can be written as a sum of positive squares in only one way, i.e., 118336 + 96100 = 344^2 + 310^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214436.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26801 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (62545).

2214436 is an apocalyptic number.

It is an amenable number.

214436 is a deficient number, since it is larger than the sum of its proper divisors (160834).

214436 is a wasteful number, since it uses less digits than its factorization.

214436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53613 (or 53611 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 214436 is about 463.0723485591. The cubic root of 214436 is about 59.8548342502.

Adding to 214436 its reverse (634412), we get a palindrome (848848).

The spelling of 214436 in words is "two hundred fourteen thousand, four hundred thirty-six".

Divisors: 1 2 4 53609 107218 214436