Search a number
-
+
211838300 = 22529721839
BaseRepresentation
bin11001010000001…
…10010101011100
3112202121111111222
430220012111130
5413212311200
633004232512
75151411242
oct1450062534
9482544458
10211838300
11a9639283
125ab3b738
1334b7080b
14201c4792
15138e6d85
hexca0655c

211838300 has 36 divisors (see below), whose sum is σ = 464449440. Its totient is φ = 83857920.

The previous prime is 211838293. The next prime is 211838311. The reversal of 211838300 is 3838112.

It is a self number, because there is not a number n which added to its sum of digits gives 211838300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1220 + ... + 20619.

Almost surely, 2211838300 is an apocalyptic number.

211838300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211838300 is an abundant number, since it is smaller than the sum of its proper divisors (252611140).

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

211838300 is a wasteful number, since it uses less digits than its factorization.

211838300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21950 (or 21943 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 211838300 is about 14554.6659185294. The cubic root of 211838300 is about 596.1215575671.

The spelling of 211838300 in words is "two hundred eleven million, eight hundred thirty-eight thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 97 100 194 388 485 970 1940 2425 4850 9700 21839 43678 87356 109195 218390 436780 545975 1091950 2118383 2183900 4236766 8473532 10591915 21183830 42367660 52959575 105919150 211838300