Search a number
-
+
2805000760 = 23570125019
BaseRepresentation
bin1010011100110000…
…1110101000111000
321020111002210200001
42213030032220320
521221040011020
61142200522344
7126340053532
oct24714165070
97214083601
102805000760
11120a393651
126634803b4
1335918b483
141c8766852
151163c650a
hexa730ea38

2805000760 has 16 divisors (see below), whose sum is σ = 6311251800. Its totient is φ = 1122000288.

The previous prime is 2805000743. The next prime is 2805000767. The reversal of 2805000760 is 670005082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805000767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35062470 + ... + 35062549.

Almost surely, 22805000760 is an apocalyptic number.

2805000760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805000760 is an abundant number, since it is smaller than the sum of its proper divisors (3506251040).

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

2805000760 is a wasteful number, since it uses less digits than its factorization.

2805000760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70125030 (or 70125026 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2805000760 is about 52962.2578823826. The cubic root of 2805000760 is about 1410.2983390301.

The spelling of 2805000760 in words is "two billion, eight hundred five million, seven hundred sixty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 70125019 140250038 280500076 350625095 561000152 701250190 1402500380 2805000760