Search a number
-
+
2381478860 = 225119073943
BaseRepresentation
bin1000110111110010…
…0111101111001100
320010222011122211202
42031330213233030
514334124310420
61032151205032
7113005144025
oct21574475714
96128148752
102381478860
111012312352
12565676778
132bc5026b7
141883dbc4c
15de118575
hex8df27bcc

2381478860 has 12 divisors (see below), whose sum is σ = 5001105648. Its totient is φ = 952591536.

The previous prime is 2381478817. The next prime is 2381478877. The reversal of 2381478860 is 688741832.

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 3 ways as a sum of consecutive naturals, for example, 59536952 + ... + 59536991.

It is an arithmetic number, because the mean of its divisors is an integer number (416758804).

Almost surely, 22381478860 is an apocalyptic number.

2381478860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381478860 is an abundant number, since it is smaller than the sum of its proper divisors (2619626788).

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

2381478860 is a wasteful number, since it uses less digits than its factorization.

2381478860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119073952 (or 119073950 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 2381478860 is about 48800.3981541135. The cubic root of 2381478860 is about 1335.4129299111.

The spelling of 2381478860 in words is "two billion, three hundred eighty-one million, four hundred seventy-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 119073943 238147886 476295772 595369715 1190739430 2381478860