Search a number
-
+
212300032 = 287118471
BaseRepresentation
bin11001010011101…
…11000100000000
3112210110221220011
430221313010000
5413322100112
633022154304
75155343350
oct1451670400
9483427804
10212300032
11a992417a
125b122994
1334ca2a29
14202a4b60
1513988aa7
hexca77100

212300032 has 36 divisors (see below), whose sum is σ = 484313536. Its totient is φ = 90984960.

The previous prime is 212300021. The next prime is 212300057. The reversal of 212300032 is 230003212.

It is a happy number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 212299985 and 212300021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57444 + ... + 61027.

Almost surely, 2212300032 is an apocalyptic number.

It is an amenable number.

212300032 is an abundant number, since it is smaller than the sum of its proper divisors (272013504).

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

212300032 is an equidigital number, since it uses as much as digits as its factorization.

212300032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118494 (or 118480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 212300032 is about 14570.5192769510. The cubic root of 212300032 is about 596.5543541226.

Adding to 212300032 its reverse (230003212), we get a palindrome (442303244).

The spelling of 212300032 in words is "two hundred twelve million, three hundred thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 118471 236942 473884 829297 947768 1658594 1895536 3317188 3791072 6634376 7582144 13268752 15164288 26537504 30328576 53075008 106150016 212300032