Search a number
-
+
43020103 = 76145729
BaseRepresentation
bin1010010000011…
…0111101000111
32222221122111011
42210012331013
542003120403
64134023051
71031444020
oct244067507
988848434
1043020103
1122313705
12124a7a87
138bb33a9
1459dbc47
153b9ba6d
hex2906f47

43020103 has 4 divisors (see below), whose sum is σ = 49165840. Its totient is φ = 36874368.

The previous prime is 43020077. The next prime is 43020127. The reversal of 43020103 is 30102034.

43020103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43020103 - 25 = 43020071 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 (43020163) 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 3 ways as a sum of consecutive naturals, for example, 3072858 + ... + 3072871.

It is an arithmetic number, because the mean of its divisors is an integer number (12291460).

Almost surely, 243020103 is an apocalyptic number.

43020103 is a deficient number, since it is larger than the sum of its proper divisors (6145737).

43020103 is an equidigital number, since it uses as much as digits as its factorization.

43020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145736.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 43020103 is about 6558.9711845685. The cubic root of 43020103 is about 350.3943935105.

Adding to 43020103 its reverse (30102034), we get a palindrome (73122137).

The spelling of 43020103 in words is "forty-three million, twenty thousand, one hundred three".

Divisors: 1 7 6145729 43020103