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212033070 = 232519711959
BaseRepresentation
bin11001010001101…
…01111000101110
3112202222101200200
430220311320232
5413240024240
633012334330
75153152134
oct1450657056
9482871620
10212033070
11a9761647
125b0143a6
1334c0b372
1420235754
1513934930
hexca35e2e

212033070 has 48 divisors (see below), whose sum is σ = 554130720. Its totient is φ = 56250432.

The previous prime is 212033069. The next prime is 212033071. The reversal of 212033070 is 70330212.

It is an interprime number because it is at equal distance from previous prime (212033069) and next prime (212033071).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11751 + ... + 23709.

It is an arithmetic number, because the mean of its divisors is an integer number (11544390).

Almost surely, 2212033070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212033070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277065360).

212033070 is an abundant number, since it is smaller than the sum of its proper divisors (342097650).

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

212033070 is a wasteful number, since it uses less digits than its factorization.

212033070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12169 (or 12166 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 212033070 is about 14561.3553627401. The cubic root of 212033070 is about 596.3041984935.

Adding to 212033070 its reverse (70330212), we get a palindrome (282363282).

The spelling of 212033070 in words is "two hundred twelve million, thirty-three thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 197 394 591 985 1182 1773 1970 2955 3546 5910 8865 11959 17730 23918 35877 59795 71754 107631 119590 179385 215262 358770 538155 1076310 2355923 4711846 7067769 11779615 14135538 21203307 23559230 35338845 42406614 70677690 106016535 212033070