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50502805 = 514967789
BaseRepresentation
bin1100000010100…
…1110010010101
310112000210211021
43000221302111
5100412042210
65002241141
71152160333
oct300516225
9115023737
1050502805
1126564561
1214ab61b1
13a603222
1469c8b53
154678bda
hex3029c95

50502805 has 8 divisors (see below), whose sum is σ = 61011000. Its totient is φ = 40130496.

The previous prime is 50502773. The next prime is 50502821. The reversal of 50502805 is 50820505.

It can be written as a sum of positive squares in 4 ways, for example, as 6320196 + 44182609 = 2514^2 + 6647^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50502805 - 25 = 50502773 is a prime.

It is a super-3 number, since 3×505028053 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50502805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33150 + ... + 34639.

It is an arithmetic number, because the mean of its divisors is an integer number (7626375).

Almost surely, 250502805 is an apocalyptic number.

It is an amenable number.

50502805 is a deficient number, since it is larger than the sum of its proper divisors (10508195).

50502805 is a wasteful number, since it uses less digits than its factorization.

50502805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67943.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 50502805 is about 7106.5325581468. The cubic root of 50502805 is about 369.6339330497.

The spelling of 50502805 in words is "fifty million, five hundred two thousand, eight hundred five".

Divisors: 1 5 149 745 67789 338945 10100561 50502805