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50506573 = 133885121
BaseRepresentation
bin1100000010101…
…0101101001101
310112000222222211
43000222231031
5100412202243
65002310421
71152204325
oct300525515
9115028884
1050506573
1126567377
1214ab8411
13a604b60
1469ca285
154679d9d
hex302ab4d

50506573 has 4 divisors (see below), whose sum is σ = 54391708. Its totient is φ = 46621440.

The previous prime is 50506571. The next prime is 50506607. The reversal of 50506573 is 37560505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37560505 = 57512101.

It can be written as a sum of positive squares in 2 ways, for example, as 13564489 + 36942084 = 3683^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 50506573 - 21 = 50506571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50506571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942548 + ... + 1942573.

It is an arithmetic number, because the mean of its divisors is an integer number (13597927).

Almost surely, 250506573 is an apocalyptic number.

It is an amenable number.

50506573 is a deficient number, since it is larger than the sum of its proper divisors (3885135).

50506573 is a wasteful number, since it uses less digits than its factorization.

50506573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885134.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 50506573 is about 7106.7976613943. The cubic root of 50506573 is about 369.6431255821.

The spelling of 50506573 in words is "fifty million, five hundred six thousand, five hundred seventy-three".

Divisors: 1 13 3885121 50506573