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212450132 = 2253112533
BaseRepresentation
bin11001010100110…
…11101101010100
3112210202120210102
430222123231110
5413341401012
633025313232
75156540066
oct1452335524
9483676712
10212450132
11a9a16a24
125b195818
133502614b
1420303736
15139b82c2
hexca9bb54

212450132 has 6 divisors (see below), whose sum is σ = 371787738. Its totient is φ = 106225064.

The previous prime is 212450123. The next prime is 212450237. The reversal of 212450132 is 231054212.

It can be written as a sum of positive squares in only one way, i.e., 109914256 + 102535876 = 10484^2 + 10126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556263 + ... + 26556270.

It is an arithmetic number, because the mean of its divisors is an integer number (61964623).

Almost surely, 2212450132 is an apocalyptic number.

It is an amenable number.

212450132 is a deficient number, since it is larger than the sum of its proper divisors (159337606).

212450132 is a wasteful number, since it uses less digits than its factorization.

212450132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53112537 (or 53112535 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212450132 is about 14575.6691784631. The cubic root of 212450132 is about 596.6949126099.

The spelling of 212450132 in words is "two hundred twelve million, four hundred fifty thousand, one hundred thirty-two".

Divisors: 1 2 4 53112533 106225066 212450132