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50052561 = 3132269367
BaseRepresentation
bin1011111011101…
…1110111010001
310111011221012120
42332323313101
5100303140221
64544444453
71145303556
oct276736721
9114157176
1050052561
1126287259
1214919729
13a4a6300
14690ca2d
1545da5c6
hex2fbbdd1

50052561 has 24 divisors (see below), whose sum is σ = 72731520. Its totient is φ = 30603456.

The previous prime is 50052557. The next prime is 50052571. The reversal of 50052561 is 16525005.

It is not a de Polignac number, because 50052561 - 22 = 50052557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50052571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136200 + ... + 136566.

It is an arithmetic number, because the mean of its divisors is an integer number (3030480).

Almost surely, 250052561 is an apocalyptic number.

It is an amenable number.

50052561 is a deficient number, since it is larger than the sum of its proper divisors (22678959).

50052561 is a wasteful number, since it uses less digits than its factorization.

50052561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 50052561 is about 7074.7834595838. The cubic root of 50052561 is about 368.5321955759.

Adding to 50052561 its reverse (16525005), we get a palindrome (66577566).

The spelling of 50052561 in words is "fifty million, fifty-two thousand, five hundred sixty-one".

Divisors: 1 3 13 39 169 269 367 507 807 1101 3497 4771 10491 14313 45461 62023 98723 136383 186069 296169 1283399 3850197 16684187 50052561