Search a number
-
+
3028138556 = 22757034639
BaseRepresentation
bin1011010001111101…
…1011101000111100
321211000222101011212
42310133123220330
522200200413211
61220251303552
7135016516202
oct26437335074
97730871155
103028138556
11131433a353
1270614abb8
13393487181
1420a24d072
1512aca138b
hexb47dba3c

3028138556 has 6 divisors (see below), whose sum is σ = 5299242480. Its totient is φ = 1514069276.

The previous prime is 3028138523. The next prime is 3028138567. The reversal of 3028138556 is 6558318203.

It is a super-2 number, since 2×30281385562 = 18339246228667530272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378517316 + ... + 378517323.

It is an arithmetic number, because the mean of its divisors is an integer number (883207080).

Almost surely, 23028138556 is an apocalyptic number.

It is an amenable number.

3028138556 is a deficient number, since it is larger than the sum of its proper divisors (2271103924).

3028138556 is a wasteful number, since it uses less digits than its factorization.

3028138556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757034643 (or 757034641 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 3028138556 is about 55028.5249302578. The cubic root of 3028138556 is about 1446.7447475206.

The spelling of 3028138556 in words is "three billion, twenty-eight million, one hundred thirty-eight thousand, five hundred fifty-six".

Divisors: 1 2 4 757034639 1514069278 3028138556