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50282281 = 7210132
BaseRepresentation
bin1011111111001…
…1111100101001
310111121121022201
42333303330221
5100333013111
64553420201
71150251400
oct277637451
9114547281
1050282281
1126423905
1214a0a661
13a556a3a
14696c637
1546336c1
hex2ff3f29

50282281 has 9 divisors (see below), whose sum is σ = 58549431. Its totient is φ = 43056552.

The previous prime is 50282269. The next prime is 50282291. The reversal of 50282281 is 18228205.

The square root of 50282281 is 7091.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 50183056 = 315^2 + 7084^2 .

It is not a de Polignac number, because 50282281 - 213 = 50274089 is a prime.

It is a super-2 number, since 2×502822812 = 5056615565125922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50282261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49131 + ... + 50143.

Almost surely, 250282281 is an apocalyptic number.

50282281 is the 7091-st square number.

50282281 is the 3546-th centered octagonal number.

It is an amenable number.

50282281 is a deficient number, since it is larger than the sum of its proper divisors (8267150).

50282281 is an frugal number, since it uses more digits than its factorization.

50282281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The cubic root of 50282281 is about 369.0951373241.

The spelling of 50282281 in words is "fifty million, two hundred eighty-two thousand, two hundred eighty-one".

Divisors: 1 7 49 1013 7091 49637 1026169 7183183 50282281