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212003000 = 23531119273
BaseRepresentation
bin11001010001011…
…10100010111000
3112202220212102222
430220232202320
5413233044000
633011543212
75152665356
oct1450564270
9482825388
10212003000
11a9740aa0
125abbab08
1334bca781
14202287d6
151392aa85
hexca2e8b8

212003000 has 64 divisors (see below), whose sum is σ = 541213920. Its totient is φ = 77088000.

The previous prime is 212002991. The next prime is 212003009. The reversal of 212003000 is 300212.

It is an interprime number because it is at equal distance from previous prime (212002991) and next prime (212003009).

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 (212003009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364 + ... + 20636.

Almost surely, 2212003000 is an apocalyptic number.

212003000 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 212003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270606960).

212003000 is an abundant number, since it is smaller than the sum of its proper divisors (329210920).

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

212003000 is a wasteful number, since it uses less digits than its factorization.

212003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19305 (or 19291 counting only the distinct ones).

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

The square root of 212003000 is about 14560.3227986195. The cubic root of 212003000 is about 596.2760083705.

Adding to 212003000 its reverse (300212), we get a palindrome (212303212).

The spelling of 212003000 in words is "two hundred twelve million, three thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 19273 38546 77092 96365 154184 192730 212003 385460 424006 481825 770920 848012 963650 1060015 1696024 1927300 2120030 2409125 3854600 4240060 4818250 5300075 8480120 9636500 10600150 19273000 21200300 26500375 42400600 53000750 106001500 212003000