Search a number
-
+
133312341 = 31943109499
BaseRepresentation
bin1111111001000…
…10111101010101
3100021211222011010
413330202331111
5233111443331
621121202433
73206064501
oct774427525
9307758133
10133312341
1169284598
1238790419
1321808356
14139c3301
15ba84e46
hex7f22f55

133312341 has 32 divisors (see below), whose sum is σ = 193600000. Its totient is φ = 81321408.

The previous prime is 133312337. The next prime is 133312343. The reversal of 133312341 is 143213331.

It is not a de Polignac number, because 133312341 - 22 = 133312337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312343) 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 31 ways as a sum of consecutive naturals, for example, 266910 + ... + 267408.

It is an arithmetic number, because the mean of its divisors is an integer number (6050000).

Almost surely, 2133312341 is an apocalyptic number.

It is an amenable number.

133312341 is a deficient number, since it is larger than the sum of its proper divisors (60287659).

133312341 is a wasteful number, since it uses less digits than its factorization.

133312341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its digits is 648, while the sum is 21.

The square root of 133312341 is about 11546.0963533135. The cubic root of 133312341 is about 510.8461424834.

Adding to 133312341 its reverse (143213331), we get a palindrome (276525672).

The spelling of 133312341 in words is "one hundred thirty-three million, three hundred twelve thousand, three hundred forty-one".

Divisors: 1 3 19 43 57 109 129 327 499 817 1497 2071 2451 4687 6213 9481 14061 21457 28443 54391 64371 89053 163173 267159 407683 1033429 1223049 2338813 3100287 7016439 44437447 133312341