[go: up one dir, main page]

Search a number
-
+
141236221 = 7176591801
BaseRepresentation
bin10000110101100…
…01011111111101
3100211202112200011
420122301133331
5242124024341
622003103221
73333326260
oct1032613775
9324675604
10141236221
11727a6955
123b371b11
1323350c39
1414a86cd7
15c5ecb81
hex86b17fd

141236221 has 16 divisors (see below), whose sum is σ = 171262080. Its totient is φ = 113702400.

The previous prime is 141236213. The next prime is 141236231. The reversal of 141236221 is 122632141.

It is not a de Polignac number, because 141236221 - 23 = 141236213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141236192 and 141236201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141236231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77521 + ... + 79321.

It is an arithmetic number, because the mean of its divisors is an integer number (10703880).

Almost surely, 2141236221 is an apocalyptic number.

It is an amenable number.

141236221 is a deficient number, since it is larger than the sum of its proper divisors (30025859).

141236221 is a wasteful number, since it uses less digits than its factorization.

141236221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its digits is 576, while the sum is 22.

The square root of 141236221 is about 11884.2846229800. The cubic root of 141236221 is about 520.7732836638.

Adding to 141236221 its reverse (122632141), we get a palindrome (263868362).

The spelling of 141236221 in words is "one hundred forty-one million, two hundred thirty-six thousand, two hundred twenty-one".

Divisors: 1 7 17 119 659 1801 4613 11203 12607 30617 78421 214319 1186859 8308013 20176603 141236221