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50405384 = 239776449
BaseRepresentation
bin1100000001001…
…0000000001000
310111211212012002
43000102000020
5100400433014
65000210132
71151303321
oct300220010
9114755162
1050405384
11264a8347
1214a69948
13a59aa93
1469a1448
154659dde
hex3012008

50405384 has 16 divisors (see below), whose sum is σ = 94621500. Its totient is φ = 25172992.

The previous prime is 50405317. The next prime is 50405387. The reversal of 50405384 is 48350405.

It can be written as a sum of positive squares in 2 ways, for example, as 35736484 + 14668900 = 5978^2 + 3830^2 .

It is not an unprimeable number, because it can be changed into a prime (50405387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592 + ... + 11040.

Almost surely, 250405384 is an apocalyptic number.

It is an amenable number.

50405384 is a deficient number, since it is larger than the sum of its proper divisors (44216116).

50405384 is a wasteful number, since it uses less digits than its factorization.

50405384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432 (or 7428 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 50405384 is about 7099.6749221355. The cubic root of 50405384 is about 369.3961027813.

Adding to 50405384 its reverse (48350405), we get a palindrome (98755789).

The spelling of 50405384 in words is "fifty million, four hundred five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 977 1954 3908 6449 7816 12898 25796 51592 6300673 12601346 25202692 50405384