Search a number
-
+
2006388875 = 53174720089
BaseRepresentation
bin111011110010111…
…0001000010001011
312011211101010010002
41313211301002023
513102113421000
6531031513215
7100502011151
oct16745610213
95154333102
102006388875
1193a610727
1247bb2880b
1325c8a336a
1415067d3d1
15bb2258d5
hex7797108b

2006388875 has 32 divisors (see below), whose sum is σ = 2707810560. Its totient is φ = 1478476800.

The previous prime is 2006388871. The next prime is 2006388887. The reversal of 2006388875 is 5788836002.

It is not a de Polignac number, because 2006388875 - 22 = 2006388871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (2006388871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89831 + ... + 109919.

It is an arithmetic number, because the mean of its divisors is an integer number (84619080).

Almost surely, 22006388875 is an apocalyptic number.

2006388875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2006388875 is a deficient number, since it is larger than the sum of its proper divisors (701421685).

2006388875 is a wasteful number, since it uses less digits than its factorization.

2006388875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168 (or 20158 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2006388875 is about 44792.7323904224. The cubic root of 2006388875 is about 1261.2612035768.

The spelling of 2006388875 in words is "two billion, six million, three hundred eighty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 17 25 47 85 125 235 425 799 1175 2125 3995 5875 19975 20089 99875 100445 341513 502225 944183 1707565 2511125 4720915 8537825 16051111 23604575 42689125 80255555 118022875 401277775 2006388875