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2132942800 = 245211347189
BaseRepresentation
bin111111100100010…
…0001111111010000
312111122111201110111
41333020201333100
513332013132200
6551352211104
7103566500062
oct17710417720
95448451414
102132942800
119a4a9954a
124b6399a94
1327cb83441
141633c3732
15c73c30ba
hex7f221fd0

2132942800 has 60 divisors (see below), whose sum is σ = 5169853260. Its totient is φ = 845608960.

The previous prime is 2132942753. The next prime is 2132942827. The reversal of 2132942800 is 82492312.

It can be written as a sum of positive squares in 6 ways, for example, as 31270464 + 2101672336 = 5592^2 + 45844^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21606 + ... + 68794.

It is an arithmetic number, because the mean of its divisors is an integer number (86164221).

Almost surely, 22132942800 is an apocalyptic number.

2132942800 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 2132942800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2584926630).

2132942800 is an abundant number, since it is smaller than the sum of its proper divisors (3036910460).

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

2132942800 is a wasteful number, since it uses less digits than its factorization.

2132942800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320 (or 47309 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2132942800 is about 46183.7936943253. The cubic root of 2132942800 is about 1287.2406213912.

The spelling of 2132942800 in words is "two billion, one hundred thirty-two million, nine hundred forty-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 113 200 226 400 452 565 904 1130 1808 2260 2825 4520 5650 9040 11300 22600 45200 47189 94378 188756 235945 377512 471890 755024 943780 1179725 1887560 2359450 3775120 4718900 5332357 9437800 10664714 18875600 21329428 26661785 42658856 53323570 85317712 106647140 133308925 213294280 266617850 426588560 533235700 1066471400 2132942800