Search a number
-
+
3006255021 = 371116937687
BaseRepresentation
bin1011001100101111…
…1100111110101101
321202111210120121120
42303023330332231
522124100130041
61214150251153
7134332513620
oct26313747655
97674716546
103006255021
111302a52990
126ba956ab9
1338ba94633
14207393db7
15128dcc366
hexb32fcfad

3006255021 has 32 divisors (see below), whose sum is σ = 5001013248. Its totient is φ = 1560565440.

The previous prime is 3006255017. The next prime is 3006255023. The reversal of 3006255021 is 1205526003.

It is not a de Polignac number, because 3006255021 - 22 = 3006255017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3006254982 and 3006255000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3006255023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387240 + ... + 394926.

It is an arithmetic number, because the mean of its divisors is an integer number (156281664).

Almost surely, 23006255021 is an apocalyptic number.

It is an amenable number.

3006255021 is a deficient number, since it is larger than the sum of its proper divisors (1994758227).

3006255021 is a wasteful number, since it uses less digits than its factorization.

3006255021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3006255021 is about 54829.3262862129. The cubic root of 3006255021 is about 1443.2512412826.

The spelling of 3006255021 in words is "three billion, six million, two hundred fifty-five thousand, twenty-one".

Divisors: 1 3 7 11 21 33 77 231 1693 5079 7687 11851 18623 23061 35553 53809 55869 84557 130361 161427 253671 391083 591899 1775697 13014091 39042273 91098637 143155001 273295911 429465003 1002085007 3006255021