Search a number
-
+
3021225631 = 22317897573
BaseRepresentation
bin1011010000010100…
…0011111010011111
321210112222011102121
42310011003322133
522141413210011
61215443203411
7134603664664
oct26405037237
97715864377
103021225631
111310448596
12703976567
13391c06798
1420936da6b
1512a387e71
hexb4143e9f

3021225631 has 8 divisors (see below), whose sum is σ = 3036871040. Its totient is φ = 3005599392.

The previous prime is 3021225617. The next prime is 3021225637. The reversal of 3021225631 is 1365221203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3021225631 is a prime.

It is a super-2 number, since 2×30212256312 = 18255608626822696322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3021225596 and 3021225605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021225637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395161 + ... + 402733.

It is an arithmetic number, because the mean of its divisors is an integer number (379608880).

Almost surely, 23021225631 is an apocalyptic number.

3021225631 is a deficient number, since it is larger than the sum of its proper divisors (15645409).

3021225631 is a wasteful number, since it uses less digits than its factorization.

3021225631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3021225631 is about 54965.6768447365. The cubic root of 3021225631 is about 1445.6429861568.

Adding to 3021225631 its reverse (1365221203), we get a palindrome (4386446834).

The spelling of 3021225631 in words is "three billion, twenty-one million, two hundred twenty-five thousand, six hundred thirty-one".

Divisors: 1 223 1789 7573 398947 1688779 13548097 3021225631