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50540430 = 2352389823
BaseRepresentation
bin1100000011001…
…0111110001110
310112002201102210
43000302332032
5100414243210
65003131250
71152405123
oct300627616
9115081383
1050540430
112658a856
1214b13b26
13a6173a5
1469d874a
154684e20
hex3032f8e

50540430 has 64 divisors (see below), whose sum is σ = 128148480. Its totient is φ = 12731136.

The previous prime is 50540419. The next prime is 50540461. The reversal of 50540430 is 3404505.

50540430 = 1852 + 1862 + ... + 5402.

It is a happy number.

50540430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50540397 and 50540406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60999 + ... + 61821.

It is an arithmetic number, because the mean of its divisors is an integer number (2002320).

Almost surely, 250540430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50540430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64074240).

50540430 is an abundant number, since it is smaller than the sum of its proper divisors (77608050).

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

50540430 is a wasteful number, since it uses less digits than its factorization.

50540430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 50540430 is about 7109.1792775256. The cubic root of 50540430 is about 369.7257036911.

Adding to 50540430 its reverse (3404505), we get a palindrome (53944935).

The spelling of 50540430 in words is "fifty million, five hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 89 115 138 178 230 267 345 445 534 690 823 890 1335 1646 2047 2469 2670 4094 4115 4938 6141 8230 10235 12282 12345 18929 20470 24690 30705 37858 56787 61410 73247 94645 113574 146494 189290 219741 283935 366235 439482 567870 732470 1098705 1684681 2197410 3369362 5054043 8423405 10108086 16846810 25270215 50540430