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10221214 = 212740241
BaseRepresentation
bin100110111111…
…011010011110
3201020021212111
4212333122132
510104034324
61003024234
7152610313
oct46773236
921207774
1010221214
115851393
12350b07a
13216b473
141500d0a
15d6d794
hex9bf69e

10221214 has 8 divisors (see below), whose sum is σ = 15452928. Its totient is φ = 5070240.

The previous prime is 10221203. The next prime is 10221247. The reversal of 10221214 is 41212201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10221194 and 10221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19867 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (1931616).

Almost surely, 210221214 is an apocalyptic number.

10221214 is a deficient number, since it is larger than the sum of its proper divisors (5231714).

10221214 is a wasteful number, since it uses less digits than its factorization.

10221214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 10221214 is about 3197.0633400044. The cubic root of 10221214 is about 217.0205336385.

Adding to 10221214 its reverse (41212201), we get a palindrome (51433415).

It can be divided in two parts, 1022121 and 4, that multiplied together give a square (4088484 = 20222).

The spelling of 10221214 in words is "ten million, two hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 127 254 40241 80482 5110607 10221214