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212030432 = 2544314957
BaseRepresentation
bin11001010001101…
…01001111100000
3112202222021001222
430220311033200
5413234433212
633012314212
75153141345
oct1450651740
9482867058
10212030432
11a975a669
125b012968
1334c0a0c3
14202347cc
1513933c72
hexca353e0

212030432 has 24 divisors (see below), whose sum is σ = 418405176. Its totient is φ = 105768832.

The previous prime is 212030417. The next prime is 212030447. The reversal of 212030432 is 234030212.

It is an interprime number because it is at equal distance from previous prime (212030417) and next prime (212030447).

It is a self number, because there is not a number n which added to its sum of digits gives 212030432.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6698 + ... + 21654.

It is an arithmetic number, because the mean of its divisors is an integer number (17433549).

Almost surely, 2212030432 is an apocalyptic number.

It is an amenable number.

212030432 is a deficient number, since it is larger than the sum of its proper divisors (206374744).

212030432 is a wasteful number, since it uses less digits than its factorization.

212030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15410 (or 15402 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212030432 is about 14561.2647802311. The cubic root of 212030432 is about 596.3017255192.

Adding to 212030432 its reverse (234030212), we get a palindrome (446060644).

The spelling of 212030432 in words is "two hundred twelve million, thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 443 886 1772 3544 7088 14176 14957 29914 59828 119656 239312 478624 6625951 13251902 26503804 53007608 106015216 212030432