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3028768028 = 2211135295049
BaseRepresentation
bin1011010010000111…
…0101010100011100
321211002011100122122
42310201311110130
522200331034103
61220313002112
7135025050326
oct26441652434
97732140578
103028768028
11131472a280
127063b3338
13393647840
1420a374616
1512ad77b38
hexb487551c

3028768028 has 24 divisors (see below), whose sum is σ = 6226978800. Its totient is φ = 1270811520.

The previous prime is 3028768027. The next prime is 3028768049. The reversal of 3028768028 is 8208678203.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 3028768028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028768027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646953 + ... + 2648096.

It is an arithmetic number, because the mean of its divisors is an integer number (259457450).

Almost surely, 23028768028 is an apocalyptic number.

It is an amenable number.

3028768028 is an abundant number, since it is smaller than the sum of its proper divisors (3198210772).

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

3028768028 is a wasteful number, since it uses less digits than its factorization.

3028768028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295077 (or 5295075 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 3028768028 is about 55034.2441394447. The cubic root of 3028768028 is about 1446.8449875633.

The spelling of 3028768028 in words is "three billion, twenty-eight million, seven hundred sixty-eight thousand, twenty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 5295049 10590098 21180196 58245539 68835637 116491078 137671274 232982156 275342548 757192007 1514384014 3028768028