Search a number
-
+
3021244420 = 225178886013
BaseRepresentation
bin1011010000010100…
…1000100000000100
321210120000010012111
42310011020200010
522141414310140
61215443430404
7134604103525
oct26405104004
97716003174
103021244420
111310460717
12703985404
13391c121bc
1420937684c
1512a38d7ea
hexb4148804

3021244420 has 24 divisors (see below), whose sum is σ = 6717826584. Its totient is φ = 1137409536.

The previous prime is 3021244399. The next prime is 3021244433. The reversal of 3021244420 is 244421203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 285745216 + 2735499204 = 16904^2 + 52302^2 .

It is a super-2 number, since 2×30212444202 = 18255835690762272800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3021244391 and 3021244400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442667 + ... + 4443346.

It is an arithmetic number, because the mean of its divisors is an integer number (279909441).

Almost surely, 23021244420 is an apocalyptic number.

It is an amenable number.

3021244420 is an abundant number, since it is smaller than the sum of its proper divisors (3696582164).

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

3021244420 is a wasteful number, since it uses less digits than its factorization.

3021244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886039 (or 8886037 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 3021244420 is about 54965.8477602229. The cubic root of 3021244420 is about 1445.6459829681.

Adding to 3021244420 its reverse (244421203), we get a palindrome (3265665623).

The spelling of 3021244420 in words is "three billion, twenty-one million, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 8886013 17772026 35544052 44430065 88860130 151062221 177720260 302124442 604248884 755311105 1510622210 3021244420