Search a number
-
+
14101221 = 3291091487
BaseRepresentation
bin110101110010…
…101011100101
3222112102020110
4311302223211
512102214341
61222123233
7230600301
oct65625345
928472213
1014101221
117a61502
124880519
132bc9524
141c30d01
151388216
hexd72ae5

14101221 has 16 divisors (see below), whose sum is σ = 19641600. Its totient is φ = 8987328.

The previous prime is 14101207. The next prime is 14101229. The reversal of 14101221 is 12210141.

It is a happy number.

It is not a de Polignac number, because 14101221 - 25 = 14101189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14101197 and 14101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14101229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8740 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 214101221 is an apocalyptic number.

It is an amenable number.

14101221 is a deficient number, since it is larger than the sum of its proper divisors (5540379).

14101221 is a wasteful number, since it uses less digits than its factorization.

14101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 14101221 is about 3755.1592509506. The cubic root of 14101221 is about 241.5936821751.

Adding to 14101221 its reverse (12210141), we get a palindrome (26311362).

The spelling of 14101221 in words is "fourteen million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 3 29 87 109 327 1487 3161 4461 9483 43123 129369 162083 486249 4700407 14101221