Search a number
-
+
12214210 = 251221421
BaseRepresentation
bin101110100101…
…111111000010
3211222112202011
4232211333002
511111323320
61113443134
7205550641
oct56457702
924875664
1012214210
116992798
1241104aa
1326b8658
14189d358
15111405a
hexba5fc2

12214210 has 8 divisors (see below), whose sum is σ = 21985596. Its totient is φ = 4885680.

The previous prime is 12214183. The next prime is 12214243. The reversal of 12214210 is 1241221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11992369 + 221841 = 3463^2 + 471^2 .

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

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, 610701 + ... + 610720.

Almost surely, 212214210 is an apocalyptic number.

12214210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12214210 is a deficient number, since it is larger than the sum of its proper divisors (9771386).

12214210 is a wasteful number, since it uses less digits than its factorization.

12214210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221428.

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

The square root of 12214210 is about 3494.8834029192. The cubic root of 12214210 is about 230.2970955916.

Adding to 12214210 its reverse (1241221), we get a palindrome (13455431).

The spelling of 12214210 in words is "twelve million, two hundred fourteen thousand, two hundred ten".

Divisors: 1 2 5 10 1221421 2442842 6107105 12214210