Search a number
-
+
3028861443 = 31009620481
BaseRepresentation
bin1011010010001000…
…1100001000000011
321211002100002210110
42310202030020003
522200342031233
61220315002403
7135025616556
oct26442141003
97732302713
103028861443
111314793483
12706439403
1339367b20a
1420a39a69d
1512ad95663
hexb488c203

3028861443 has 4 divisors (see below), whose sum is σ = 4038481928. Its totient is φ = 2019240960.

The previous prime is 3028861397. The next prime is 3028861447. The reversal of 3028861443 is 3441688203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3441688203 = 31147229401.

It is not a de Polignac number, because 3028861443 - 29 = 3028860931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3028861447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504810238 + ... + 504810243.

It is an arithmetic number, because the mean of its divisors is an integer number (1009620482).

Almost surely, 23028861443 is an apocalyptic number.

3028861443 is a deficient number, since it is larger than the sum of its proper divisors (1009620485).

3028861443 is a wasteful number, since it uses less digits than its factorization.

3028861443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009620484.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 3028861443 is about 55035.0928317560. The cubic root of 3028861443 is about 1446.8598622179.

The spelling of 3028861443 in words is "three billion, twenty-eight million, eight hundred sixty-one thousand, four hundred forty-three".

Divisors: 1 3 1009620481 3028861443