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50247920 = 2451736947
BaseRepresentation
bin1011111110101…
…1100011110000
310111112212012002
42333223203300
5100330413140
64552553132
71150046252
oct277534360
9114485162
1050247920
1126400008
12149b27a8
13a5441c8
14695dcd2
154628415
hex2feb8f0

50247920 has 40 divisors (see below), whose sum is σ = 123701904. Its totient is φ = 18916352.

The previous prime is 50247917. The next prime is 50247929. The reversal of 50247920 is 2974205.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50247929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17114 + ... + 19833.

Almost surely, 250247920 is an apocalyptic number.

It is an amenable number.

50247920 is an abundant number, since it is smaller than the sum of its proper divisors (73453984).

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

50247920 is a wasteful number, since it uses less digits than its factorization.

50247920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36977 (or 36971 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 50247920 is about 7088.5767259726. The cubic root of 50247920 is about 369.0110429687.

The spelling of 50247920 in words is "fifty million, two hundred forty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 36947 73894 147788 184735 295576 369470 591152 628099 738940 1256198 1477880 2512396 2955760 3140495 5024792 6280990 10049584 12561980 25123960 50247920