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50104021 = 1147199487
BaseRepresentation
bin1011111100100…
…0011011010101
310111021112210111
42333020123111
5100311312041
64545523021
71145606602
oct277103325
9114245714
1050104021
1126311990
1214943471
13a4c3866
1469236a9
1545ea981
hex2fc86d5

50104021 has 16 divisors (see below), whose sum is σ = 56217600. Its totient is φ = 44264880.

The previous prime is 50104013. The next prime is 50104057. The reversal of 50104021 is 12040105.

It is not a de Polignac number, because 50104021 - 23 = 50104013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50103992 and 50104010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50104001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102640 + ... + 103126.

It is an arithmetic number, because the mean of its divisors is an integer number (3513600).

Almost surely, 250104021 is an apocalyptic number.

It is an amenable number.

50104021 is a deficient number, since it is larger than the sum of its proper divisors (6113579).

50104021 is a wasteful number, since it uses less digits than its factorization.

50104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 50104021 is about 7078.4193857103. The cubic root of 50104021 is about 368.6584506619.

Adding to 50104021 its reverse (12040105), we get a palindrome (62144126).

The spelling of 50104021 in words is "fifty million, one hundred four thousand, twenty-one".

Divisors: 1 11 47 199 487 517 2189 5357 9353 22889 96913 102883 251779 1066043 4554911 50104021