[go: up one dir, main page]

Search a number
-
+
14326221 = 371397541
BaseRepresentation
bin110110101001…
…100111001101
3222221211212210
4312221213031
512131414341
61231021033
7232525260
oct66514715
928854783
1014326221
1180a5558
12496a779
132c77a70
141c8ccd7
1513cec16
hexda99cd

14326221 has 32 divisors (see below), whose sum is σ = 23795968. Its totient is φ = 7464960.

The previous prime is 14326219. The next prime is 14326231. The reversal of 14326221 is 12262341.

It is not a de Polignac number, because 14326221 - 21 = 14326219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14326231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26211 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (743624).

Almost surely, 214326221 is an apocalyptic number.

It is an amenable number.

14326221 is a deficient number, since it is larger than the sum of its proper divisors (9469747).

14326221 is a wasteful number, since it uses less digits than its factorization.

14326221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its digits is 576, while the sum is 21.

The square root of 14326221 is about 3784.9994715984. Note that the first 3 decimals coincide. The cubic root of 14326221 is about 242.8718693163.

Adding to 14326221 its reverse (12262341), we get a palindrome (26588562).

The spelling of 14326221 in words is "fourteen million, three hundred twenty-six thousand, two hundred twenty-one".

Divisors: 1 3 7 13 21 39 91 97 273 291 541 679 1261 1623 2037 3783 3787 7033 8827 11361 21099 26481 49231 52477 147693 157431 367339 682201 1102017 2046603 4775407 14326221