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50545000 = 235411919
BaseRepresentation
bin1100000011010…
…0000101101000
310112002221201001
43000310011220
5100414420000
65003204344
71152424342
oct300640550
9115087631
1050545000
1126593230
1214b166b4
13a6194ac
1469da292
15468646a
hex3034168

50545000 has 80 divisors (see below), whose sum is σ = 129333600. Its totient is φ = 18360000.

The previous prime is 50544983. The next prime is 50545009. The reversal of 50545000 is 54505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50545009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54541 + ... + 55459.

It is an arithmetic number, because the mean of its divisors is an integer number (1616670).

Almost surely, 250545000 is an apocalyptic number.

50545000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64666800).

50545000 is an abundant number, since it is smaller than the sum of its proper divisors (78788600).

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

50545000 is a wasteful number, since it uses less digits than its factorization.

50545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 50545000 is about 7109.5006857022. The cubic root of 50545000 is about 369.7368472155.

Adding to 50545000 its reverse (54505), we get a palindrome (50599505).

The spelling of 50545000 in words is "fifty million, five hundred forty-five thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 625 919 1000 1100 1250 1375 1838 2200 2500 2750 3676 4595 5000 5500 6875 7352 9190 10109 11000 13750 18380 20218 22975 27500 36760 40436 45950 50545 55000 80872 91900 101090 114875 183800 202180 229750 252725 404360 459500 505450 574375 919000 1010900 1148750 1263625 2021800 2297500 2527250 4595000 5054500 6318125 10109000 12636250 25272500 50545000