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50242540 = 2252512127
BaseRepresentation
bin1011111110101…
…0001111101100
310111112120210211
42333222033230
5100330230130
64552512204
71150024465
oct277521754
9114476724
1050242540
11263a6a67
12149ab664
13a54191a
14695bd6c
154626a2a
hex2fea3ec

50242540 has 12 divisors (see below), whose sum is σ = 105509376. Its totient is φ = 20097008.

The previous prime is 50242513. The next prime is 50242541. The reversal of 50242540 is 4524205.

It is not an unprimeable number, because it can be changed into a prime (50242541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256044 + ... + 1256083.

It is an arithmetic number, because the mean of its divisors is an integer number (8792448).

Almost surely, 250242540 is an apocalyptic number.

It is an amenable number.

50242540 is an abundant number, since it is smaller than the sum of its proper divisors (55266836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50242540 is a wasteful number, since it uses less digits than its factorization.

50242540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512136 (or 2512134 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 50242540 is about 7088.1972320189. The cubic root of 50242540 is about 368.9978726042.

Adding to 50242540 its reverse (4524205), we get a palindrome (54766745).

The spelling of 50242540 in words is "fifty million, two hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2512127 5024254 10048508 12560635 25121270 50242540