Search a number
-
+
2864532860 = 225720460949
BaseRepresentation
bin1010101010111101…
…0100110101111100
321101122010100100122
42222233110311330
521331310022420
61152124514112
7130662061520
oct25257246574
97348110318
102864532860
11123aa54a32
1267b3ab938
13368603477
141d2621d80
1511b735725
hexaabd4d7c

2864532860 has 24 divisors (see below), whose sum is σ = 6874879200. Its totient is φ = 982125504.

The previous prime is 2864532841. The next prime is 2864532877. The reversal of 2864532860 is 682354682.

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 in 7 ways as a sum of consecutive naturals, for example, 10230335 + ... + 10230614.

It is an arithmetic number, because the mean of its divisors is an integer number (286453300).

Almost surely, 22864532860 is an apocalyptic number.

2864532860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2864532860 is an abundant number, since it is smaller than the sum of its proper divisors (4010346340).

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

2864532860 is a wasteful number, since it uses less digits than its factorization.

2864532860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460965 (or 20460963 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 2864532860 is about 53521.3308877872. The cubic root of 2864532860 is about 1420.2057593791.

The spelling of 2864532860 in words is "two billion, eight hundred sixty-four million, five hundred thirty-two thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 20460949 40921898 81843796 102304745 143226643 204609490 286453286 409218980 572906572 716133215 1432266430 2864532860