Search a number
-
+
40130343 = 3311135119
BaseRepresentation
bin1001100100010…
…1011100100111
32210111211111000
42121011130213
540233132333
63552044343
7665050041
oct231053447
983454430
1040130343
112071a580
12115336b3
138410c86
145488a91
1537ca713
hex2645727

40130343 has 16 divisors (see below), whose sum is σ = 64857600. Its totient is φ = 24321240.

The previous prime is 40130329. The next prime is 40130359. The reversal of 40130343 is 34303104.

40130343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40130343 - 24 = 40130327 is a prime.

It is a super-2 number, since 2×401303432 = 3220888858595298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67263 + ... + 67856.

It is an arithmetic number, because the mean of its divisors is an integer number (4053600).

Almost surely, 240130343 is an apocalyptic number.

40130343 is a deficient number, since it is larger than the sum of its proper divisors (24727257).

40130343 is a wasteful number, since it uses less digits than its factorization.

40130343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135139 (or 135133 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40130343 is about 6334.8514584006. The cubic root of 40130343 is about 342.3662588988.

Adding to 40130343 its reverse (34303104), we get a palindrome (74433447).

The spelling of 40130343 in words is "forty million, one hundred thirty thousand, three hundred forty-three".

Divisors: 1 3 9 11 27 33 99 297 135119 405357 1216071 1486309 3648213 4458927 13376781 40130343