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50406505 = 510992489
BaseRepresentation
bin1100000001001…
…0010001101001
310111211220201121
43000102101221
5100401002010
65000215241
71151306512
oct300222151
9114756647
1050406505
11264a9176
1214a6a521
13a59b446
1469a1a09
15465a3da
hex3012469

50406505 has 8 divisors (see below), whose sum is σ = 61043400. Its totient is φ = 39954816.

The previous prime is 50406497. The next prime is 50406511. The reversal of 50406505 is 50560405.

It can be written as a sum of positive squares in 4 ways, for example, as 12988816 + 37417689 = 3604^2 + 6117^2 .

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 50406505 - 23 = 50406497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50406505.

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, 45700 + ... + 46789.

It is an arithmetic number, because the mean of its divisors is an integer number (7630425).

Almost surely, 250406505 is an apocalyptic number.

It is an amenable number.

50406505 is a deficient number, since it is larger than the sum of its proper divisors (10636895).

50406505 is a wasteful number, since it uses less digits than its factorization.

50406505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92603.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 50406505 is about 7099.7538689732. The cubic root of 50406505 is about 369.3988411790.

The spelling of 50406505 in words is "fifty million, four hundred six thousand, five hundred five".

Divisors: 1 5 109 545 92489 462445 10081301 50406505