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212532770 = 2521253277
BaseRepresentation
bin11001010101011…
…11111000100010
3112210220210011002
430222233320202
5413402022040
633031152002
75160333032
oct1452577042
9483823132
10212532770
11a9a7301a
125b215602
1335054948
14203258c2
15139d2a15
hexcaafe22

212532770 has 8 divisors (see below), whose sum is σ = 382559004. Its totient is φ = 85013104.

The previous prime is 212532763. The next prime is 212532781. The reversal of 212532770 is 77235212.

212532770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187662601 + 24870169 = 13699^2 + 4987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10626629 + ... + 10626648.

Almost surely, 2212532770 is an apocalyptic number.

212532770 is a deficient number, since it is larger than the sum of its proper divisors (170026234).

212532770 is a wasteful number, since it uses less digits than its factorization.

212532770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253284.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 212532770 is about 14578.5036955100. The cubic root of 212532770 is about 596.7722692452.

Adding to 212532770 its reverse (77235212), we get a palindrome (289767982).

The spelling of 212532770 in words is "two hundred twelve million, five hundred thirty-two thousand, seven hundred seventy".

Divisors: 1 2 5 10 21253277 42506554 106266385 212532770