Search a number
-
+
2206871720 = 235523105491
BaseRepresentation
bin1000001110001010…
…0011000010101000
312200210121200212122
42003202203002220
514004424343340
61002552530412
7105455046224
oct20342430250
95623550778
102206871720
11a327a3429
125170b0a08
13292299371
1416d149784
15cdb27db5
hex838a30a8

2206871720 has 32 divisors (see below), whose sum is σ = 4975002720. Its totient is φ = 881052480.

The previous prime is 2206871713. The next prime is 2206871729. The reversal of 2206871720 is 271786022.

It is not an unprimeable number, because it can be changed into a prime (2206871729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31826 + ... + 73665.

It is an arithmetic number, because the mean of its divisors is an integer number (155468835).

Almost surely, 22206871720 is an apocalyptic number.

2206871720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206871720 is an abundant number, since it is smaller than the sum of its proper divisors (2768131000).

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

2206871720 is a wasteful number, since it uses less digits than its factorization.

2206871720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106025 (or 106021 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2206871720 is about 46977.3532672925. The cubic root of 2206871720 is about 1301.9441758097.

The spelling of 2206871720 in words is "two billion, two hundred six million, eight hundred seventy-one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 523 1046 2092 2615 4184 5230 10460 20920 105491 210982 421964 527455 843928 1054910 2109820 4219640 55171793 110343586 220687172 275858965 441374344 551717930 1103435860 2206871720