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50271920 = 245628399
BaseRepresentation
bin1011111111000…
…1011010110000
310111121002002222
42333301122300
5100332200140
64553300212
71150206236
oct277613260
9114532088
1050271920
1126417046
1214a04668
13a5520ca
146968956
1546305b5
hex2ff16b0

50271920 has 20 divisors (see below), whose sum is σ = 116882400. Its totient is φ = 20108736.

The previous prime is 50271919. The next prime is 50271943. The reversal of 50271920 is 2917205.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 50271920.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314120 + ... + 314279.

It is an arithmetic number, because the mean of its divisors is an integer number (5844120).

Almost surely, 250271920 is an apocalyptic number.

It is an amenable number.

50271920 is an abundant number, since it is smaller than the sum of its proper divisors (66610480).

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

50271920 is a wasteful number, since it uses less digits than its factorization.

50271920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628412 (or 628406 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 50271920 is about 7090.2693883942. The cubic root of 50271920 is about 369.0697840761.

The spelling of 50271920 in words is "fifty million, two hundred seventy-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 628399 1256798 2513596 3141995 5027192 6283990 10054384 12567980 25135960 50271920