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212050052 = 2253012513
BaseRepresentation
bin11001010001110…
…10000010000100
3112210000020222122
430220322002010
5413241100202
633012545112
75153252504
oct1450720204
9483006878
10212050052
11a9773385
125b022198
1334c16006
142023ba04
15139399a2
hexca3a084

212050052 has 6 divisors (see below), whose sum is σ = 371087598. Its totient is φ = 106025024.

The previous prime is 212050049. The next prime is 212050057. The reversal of 212050052 is 250050212.

It can be written as a sum of positive squares in only one way, i.e., 199204996 + 12845056 = 14114^2 + 3584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212050052.

It is not an unprimeable number, because it can be changed into a prime (212050057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26506253 + ... + 26506260.

It is an arithmetic number, because the mean of its divisors is an integer number (61847933).

Almost surely, 2212050052 is an apocalyptic number.

It is an amenable number.

212050052 is a deficient number, since it is larger than the sum of its proper divisors (159037546).

212050052 is a wasteful number, since it uses less digits than its factorization.

212050052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53012517 (or 53012515 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 212050052 is about 14561.9384698604. The cubic root of 212050052 is about 596.3201176574.

The spelling of 212050052 in words is "two hundred twelve million, fifty thousand, fifty-two".

Divisors: 1 2 4 53012513 106025026 212050052