Search a number
-
+
40130229 = 3291014567
BaseRepresentation
bin1001100100010…
…1011010110101
32210111211022210
42121011122311
540233131404
63552044033
7665046516
oct231053265
983454283
1040130229
112071a487
1211533619
138410bc9
145488a0d
1537ca689
hex26456b5

40130229 has 16 divisors (see below), whose sum is σ = 55912320. Its totient is φ = 25569600.

The previous prime is 40130221. The next prime is 40130231. The reversal of 40130229 is 92203104.

40130229 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 40130229 - 23 = 40130221 is a prime.

It is a super-2 number, since 2×401302292 = 3220870559184882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130221) 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, 6504 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (3494520).

Almost surely, 240130229 is an apocalyptic number.

It is an amenable number.

40130229 is a deficient number, since it is larger than the sum of its proper divisors (15782091).

40130229 is a wasteful number, since it uses less digits than its factorization.

40130229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40130229 is about 6334.8424605510. The cubic root of 40130229 is about 342.3659347069.

The spelling of 40130229 in words is "forty million, one hundred thirty thousand, two hundred twenty-nine".

Divisors: 1 3 29 87 101 303 2929 4567 8787 13701 132443 397329 461267 1383801 13376743 40130229