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212022532 = 22167317399
BaseRepresentation
bin11001010001100…
…11010100000100
3112202221212020101
430220303110010
5413234210112
633012213444
75153106331
oct1450632404
9482855211
10212022532
11a9754737
125b00a284
1334c06627
1420231988
1513931757
hexca33504

212022532 has 12 divisors (see below), whose sum is σ = 373262400. Its totient is φ = 105376136.

The previous prime is 212022529. The next prime is 212022557. The reversal of 212022532 is 235220212.

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, 158032 + ... + 159367.

It is an arithmetic number, because the mean of its divisors is an integer number (31105200).

Almost surely, 2212022532 is an apocalyptic number.

It is an amenable number.

212022532 is a deficient number, since it is larger than the sum of its proper divisors (161239868).

212022532 is a wasteful number, since it uses less digits than its factorization.

212022532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317570 (or 317568 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 212022532 is about 14560.9935100597. The cubic root of 212022532 is about 596.2943195978.

Adding to 212022532 its reverse (235220212), we get a palindrome (447242744).

The spelling of 212022532 in words is "two hundred twelve million, twenty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 167 334 668 317399 634798 1269596 53005633 106011266 212022532