Search a number
-
+
43028023 = 43199833
BaseRepresentation
bin1010010000100…
…0111000110111
32222222001100111
42210020320313
542003344043
64134123451
71031506063
oct244107067
988861314
1043028023
1122319655
12124b0587
138bb6b8c
145a00aa3
153b9e09d
hex2908e37

43028023 has 4 divisors (see below), whose sum is σ = 43128288. Its totient is φ = 42927760.

The previous prime is 43027987. The next prime is 43028033. The reversal of 43028023 is 32082034.

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 43028023 - 213 = 43019831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 43027985 and 43028003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43028033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49486 + ... + 50347.

It is an arithmetic number, because the mean of its divisors is an integer number (10782072).

Almost surely, 243028023 is an apocalyptic number.

43028023 is a deficient number, since it is larger than the sum of its proper divisors (100265).

43028023 is an equidigital number, since it uses as much as digits as its factorization.

43028023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100264.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 43028023 is about 6559.5749100075. The cubic root of 43028023 is about 350.4158947244.

The spelling of 43028023 in words is "forty-three million, twenty-eight thousand, twenty-three".

Divisors: 1 431 99833 43028023