Search a number
-
+
212030022 = 236129497
BaseRepresentation
bin11001010001101…
…01001001000110
3112202222020111210
430220311021012
5413234430042
633012312250
75153140221
oct1450651106
9482866453
10212030022
11a975a326
125b012686
1334c09b69
14202345b8
1513933a9c
hexca35246

212030022 has 24 divisors (see below), whose sum is σ = 431171208. Its totient is φ = 69510720.

The previous prime is 212029999. The next prime is 212030041. The reversal of 212030022 is 220030212.

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, 17578 + ... + 27074.

It is an arithmetic number, because the mean of its divisors is an integer number (17965467).

Almost surely, 2212030022 is an apocalyptic number.

212030022 is an abundant number, since it is smaller than the sum of its proper divisors (219141186).

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

212030022 is an equidigital number, since it uses as much as digits as its factorization.

212030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624 (or 9563 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 212030022 is about 14561.2507017770. The cubic root of 212030022 is about 596.3013411658.

Adding to 212030022 its reverse (220030212), we get a palindrome (432060234).

The spelling of 212030022 in words is "two hundred twelve million, thirty thousand, twenty-two".

Divisors: 1 2 3 6 61 122 183 366 3721 7442 9497 11163 18994 22326 28491 56982 579317 1158634 1737951 3475902 35338337 70676674 106015011 212030022