Search a number
-
+
43130325 = 352782153
BaseRepresentation
bin1010010010000…
…1110111010101
310000011020200110
42210201313111
542020132300
64140233233
71032413250
oct244416725
9100136613
1043130325
11223894a7
121253b819
138c21604
145a2a097
153bbe550
hex2921dd5

43130325 has 24 divisors (see below), whose sum is σ = 81496768. Its totient is φ = 19716480.

The previous prime is 43130317. The next prime is 43130327. The reversal of 43130325 is 52303134.

43130325 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 43130325 - 23 = 43130317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43130327) 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 23 ways as a sum of consecutive naturals, for example, 40552 + ... + 41601.

Almost surely, 243130325 is an apocalyptic number.

It is an amenable number.

43130325 is a deficient number, since it is larger than the sum of its proper divisors (38366443).

43130325 is a wasteful number, since it uses less digits than its factorization.

43130325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82173 (or 82168 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 43130325 is about 6567.3681943378. The cubic root of 43130325 is about 350.6933873234.

Adding to 43130325 its reverse (52303134), we get a palindrome (95433459).

The spelling of 43130325 in words is "forty-three million, one hundred thirty thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 82153 246459 410765 575071 1232295 1725213 2053825 2875355 6161475 8626065 14376775 43130325