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386214 = 23591091
BaseRepresentation
bin1011110010010100110
3201121210020
41132102212
544324324
612140010
73165663
oct1362246
9647706
10386214
11244194
12167606
13106a3a
14a0a6a
1579679
hex5e4a6

386214 has 16 divisors (see below), whose sum is σ = 786240. Its totient is φ = 126440.

The previous prime is 386173. The next prime is 386219. The reversal of 386214 is 412683.

It is a happy number.

386214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3862142 = 298322507592, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 386214.

It is not an unprimeable number, because it can be changed into a prime (386219) by changing a digit.

386214 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 7 ways as a sum of consecutive naturals, for example, 192 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2386214 is an apocalyptic number.

386214 is an abundant number, since it is smaller than the sum of its proper divisors (400026).

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

386214 is a wasteful number, since it uses less digits than its factorization.

386214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its digits is 1152, while the sum is 24.

The square root of 386214 is about 621.4611814104. The cubic root of 386214 is about 72.8242472466.

Adding to 386214 its reverse (412683), we get a palindrome (798897).

The spelling of 386214 in words is "three hundred eighty-six thousand, two hundred fourteen".

Divisors: 1 2 3 6 59 118 177 354 1091 2182 3273 6546 64369 128738 193107 386214