Search a number
-
+
2001032000 = 26531122739
BaseRepresentation
bin111011101000101…
…0101001101000000
312011110021221212022
41313101111031000
513044231011000
6530321021012
7100405330352
oct16721251500
95143257768
102001032000
11937591a60
1247a184768
1325b749006
1414da870d2
15baa18585
hex77455340

2001032000 has 112 divisors (see below), whose sum is σ = 5406298560. Its totient is φ = 727616000.

The previous prime is 2001031859. The next prime is 2001032009. The reversal of 2001032000 is 2301002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001032009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76631 + ... + 99369.

Almost surely, 22001032000 is an apocalyptic number.

2001032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2703149280).

2001032000 is an abundant number, since it is smaller than the sum of its proper divisors (3405266560).

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

2001032000 is a wasteful number, since it uses less digits than its factorization.

2001032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22777 (or 22757 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2001032000 is about 44732.8961727273. The cubic root of 2001032000 is about 1260.1377190526.

Adding to 2001032000 its reverse (2301002), we get a palindrome (2003333002).

The spelling of 2001032000 in words is "two billion, one million, thirty-two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 125 160 176 200 220 250 275 320 352 400 440 500 550 704 800 880 1000 1100 1375 1600 1760 2000 2200 2750 3520 4000 4400 5500 8000 8800 11000 17600 22000 22739 44000 45478 88000 90956 113695 181912 227390 250129 363824 454780 500258 568475 727648 909560 1000516 1136950 1250645 1455296 1819120 2001032 2273900 2501290 2842375 3638240 4002064 4547800 5002580 5684750 6253225 7276480 8004128 9095600 10005160 11369500 12506450 16008256 18191200 20010320 22739000 25012900 31266125 36382400 40020640 45478000 50025800 62532250 80041280 90956000 100051600 125064500 181912000 200103200 250129000 400206400 500258000 1000516000 2001032000