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212263552 = 271658309
BaseRepresentation
bin11001010011011…
…10001010000000
3112210102002212001
430221232022000
5413314413202
633021313344
75155132114
oct1451561200
9483362761
10212263552
11a98a9826
125b105854
1334c8c247
1420295744
151397cd87
hexca6e280

212263552 has 16 divisors (see below), whose sum is σ = 422869050. Its totient is φ = 106131712.

The previous prime is 212263543. The next prime is 212263559. The reversal of 212263552 is 255362212.

212263552 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 only one way, i.e., 211295296 + 968256 = 14536^2 + 984^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 212263552.

It is not an unprimeable number, because it can be changed into a prime (212263559) by changing a digit.

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 as a sum of consecutive naturals, namely, 829027 + ... + 829282.

Almost surely, 2212263552 is an apocalyptic number.

It is an amenable number.

212263552 is a deficient number, since it is larger than the sum of its proper divisors (210605498).

212263552 is an equidigital number, since it uses as much as digits as its factorization.

212263552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658323 (or 1658311 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 212263552 is about 14569.2673803455. The cubic root of 212263552 is about 596.5201830657.

The spelling of 212263552 in words is "two hundred twelve million, two hundred sixty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 1658309 3316618 6633236 13266472 26532944 53065888 106131776 212263552