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52212771 = 3213446263
BaseRepresentation
bin1100011100101…
…1010000100011
310122020200110100
43013023100203
5101331302041
65103033443
71202541552
oct307132043
9118220410
1052212771
1127522256
121559b883
13aa81640
146d11d99
1548b56b6
hex31cb423

52212771 has 12 divisors (see below), whose sum is σ = 81220048. Its totient is φ = 32130864.

The previous prime is 52212751. The next prime is 52212781. The reversal of 52212771 is 17721225.

It is not a de Polignac number, because 52212771 - 221 = 50115619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52212701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223015 + ... + 223248.

Almost surely, 252212771 is an apocalyptic number.

52212771 is a deficient number, since it is larger than the sum of its proper divisors (29007277).

52212771 is a wasteful number, since it uses less digits than its factorization.

52212771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446282 (or 446279 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 52212771 is about 7225.8405047441. The cubic root of 52212771 is about 373.7595063260.

Adding to 52212771 its reverse (17721225), we get a palindrome (69933996).

The spelling of 52212771 in words is "fifty-two million, two hundred twelve thousand, seven hundred seventy-one".

Divisors: 1 3 9 13 39 117 446263 1338789 4016367 5801419 17404257 52212771