Search a number
-
+
43023030 = 2351975479
BaseRepresentation
bin1010010000011…
…1101010110110
32222221210111120
42210013222312
542003214110
64134044410
71031455401
oct244075266
988853446
1043023030
1122315926
12124a9706
138bb481b
1459dcd38
153b9c870
hex2907ab6

43023030 has 32 divisors (see below), whose sum is σ = 108691200. Its totient is φ = 10868832.

The previous prime is 43023023. The next prime is 43023031. The reversal of 43023030 is 3032034.

43023030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×430230302 = 3701962220761800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43023031) 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, 37170 + ... + 38309.

It is an arithmetic number, because the mean of its divisors is an integer number (3396600).

Almost surely, 243023030 is an apocalyptic number.

43023030 is an abundant number, since it is smaller than the sum of its proper divisors (65668170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43023030 is a wasteful number, since it uses less digits than its factorization.

43023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75508.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 43023030 is about 6559.1943102793. The cubic root of 43023030 is about 350.4023400367.

Adding to 43023030 its reverse (3032034), we get a palindrome (46055064).

The spelling of 43023030 in words is "forty-three million, twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 75479 150958 226437 377395 452874 754790 1132185 1434101 2264370 2868202 4302303 7170505 8604606 14341010 21511515 43023030