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212011000 = 2353415171
BaseRepresentation
bin11001010001100…
…00011111111000
3112202221021102021
430220300133320
5413233323000
633012044224
75153030605
oct1450603770
9482837367
10212011000
11a9747003
125b003674
1334c012c6
142022b6ac
151392d11a
hexca307f8

212011000 has 64 divisors (see below), whose sum is σ = 508304160. Its totient is φ = 82720000.

The previous prime is 212010989. The next prime is 212011043. The reversal of 212011000 is 110212.

212011000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38415 + ... + 43585.

Almost surely, 2212011000 is an apocalyptic number.

212011000 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 212011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254152080).

212011000 is an abundant number, since it is smaller than the sum of its proper divisors (296293160).

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

212011000 is a wasteful number, since it uses less digits than its factorization.

212011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233 (or 5219 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 212011000 is about 14560.5975152121. The cubic root of 212011000 is about 596.2835084972.

Adding to 212011000 its reverse (110212), we get a palindrome (212121212).

It can be divided in two parts, 21201 and 1000, that added together give a square (22201 = 1492).

The spelling of 212011000 in words is "two hundred twelve million, eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 125 164 200 205 250 328 410 500 820 1000 1025 1640 2050 4100 5125 5171 8200 10250 10342 20500 20684 25855 41000 41368 51710 103420 129275 206840 212011 258550 424022 517100 646375 848044 1034200 1060055 1292750 1696088 2120110 2585500 4240220 5171000 5300275 8480440 10600550 21201100 26501375 42402200 53002750 106005500 212011000