Search a number
-
+
3132233221 = 1317120111801
BaseRepresentation
bin1011101010110010…
…0001011000000101
322002021211221012211
42322230201120011
522403322430341
61234450343421
7140422354165
oct27254413005
98067757184
103132233221
1113680781a7
12734b8ab71
133abc02650
14219dc85a5
15134eb4181
hexbab21605

3132233221 has 16 divisors (see below), whose sum is σ = 3574873008. Its totient is φ = 2718720000.

The previous prime is 3132233197. The next prime is 3132233233. The reversal of 3132233221 is 1223322313.

It can be written as a sum of positive squares in 8 ways, for example, as 484616196 + 2647617025 = 22014^2 + 51455^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132233221 - 225 = 3098678789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3132233192 and 3132233201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132033221) 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, 259521 + ... + 271321.

It is an arithmetic number, because the mean of its divisors is an integer number (223429563).

Almost surely, 23132233221 is an apocalyptic number.

It is an amenable number.

3132233221 is a deficient number, since it is larger than the sum of its proper divisors (442639787).

3132233221 is a wasteful number, since it uses less digits than its factorization.

3132233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13032.

The product of its digits is 1296, while the sum is 22.

The square root of 3132233221 is about 55966.3579393907. The cubic root of 3132233221 is about 1463.1360034671.

Adding to 3132233221 its reverse (1223322313), we get a palindrome (4355555534).

The spelling of 3132233221 in words is "three billion, one hundred thirty-two million, two hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 13 17 221 1201 11801 15613 20417 153413 200617 265421 2608021 14173001 184249013 240941017 3132233221