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50938945 = 582112409
BaseRepresentation
bin1100001001010…
…0010001000001
310112211222002121
43002110101001
5101020021240
65015444241
71155655021
oct302242101
9115758077
1050938945
1126832202
1215086681
13a7268b5
146a9da81
15471304a
hex3094441

50938945 has 8 divisors (see below), whose sum is σ = 61206120. Its totient is φ = 40698240.

The previous prime is 50938939. The next prime is 50938969. The reversal of 50938945 is 54983905.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 50367409 = 756^2 + 7097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50938945 - 217 = 50807873 is a prime.

It is a super-2 number, since 2×509389452 = 5189552235426050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (7650765).

Almost surely, 250938945 is an apocalyptic number.

It is an amenable number.

50938945 is a deficient number, since it is larger than the sum of its proper divisors (10267175).

50938945 is a wasteful number, since it uses less digits than its factorization.

50938945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 50938945 is about 7137.1524433768. The cubic root of 50938945 is about 370.6949320950.

The spelling of 50938945 in words is "fifty million, nine hundred thirty-eight thousand, nine hundred forty-five".

Divisors: 1 5 821 4105 12409 62045 10187789 50938945