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50585405 = 513778237
BaseRepresentation
bin1100000011110…
…1111100111101
310112012000010112
43000331330331
5100422213110
65004115405
71152653213
oct300757475
9115160115
1050585405
1126610622
1214b35b65
13a6319c0
146a0acb3
154693405
hex303df3d

50585405 has 8 divisors (see below), whose sum is σ = 65371992. Its totient is φ = 37355328.

The previous prime is 50585389. The next prime is 50585411. The reversal of 50585405 is 50458505.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 50537881 = 218^2 + 7109^2 .

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 50585405 - 24 = 50585389 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 389054 + ... + 389183.

It is an arithmetic number, because the mean of its divisors is an integer number (8171499).

Almost surely, 250585405 is an apocalyptic number.

It is an amenable number.

50585405 is a deficient number, since it is larger than the sum of its proper divisors (14786587).

50585405 is a wasteful number, since it uses less digits than its factorization.

50585405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778255.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 50585405 is about 7112.3417381338. The cubic root of 50585405 is about 369.8353418793.

The spelling of 50585405 in words is "fifty million, five hundred eighty-five thousand, four hundred five".

Divisors: 1 5 13 65 778237 3891185 10117081 50585405