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50823421 = 11171731571
BaseRepresentation
bin1100000111100…
…0000011111101
310112122002121221
43001320003331
5101002322141
65013153341
71154664145
oct301700375
9115562557
1050823421
1126763430
121502b851
13a6b613c
146a6d925
1546ddbd1
hex30780fd

50823421 has 16 divisors (see below), whose sum is σ = 59082048. Its totient is φ = 43206400.

The previous prime is 50823419. The next prime is 50823481. The reversal of 50823421 is 12432805.

50823421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50823421 - 21 = 50823419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50823401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31566 + ... + 33136.

It is an arithmetic number, because the mean of its divisors is an integer number (3692628).

Almost surely, 250823421 is an apocalyptic number.

It is an amenable number.

50823421 is a deficient number, since it is larger than the sum of its proper divisors (8258627).

50823421 is a wasteful number, since it uses less digits than its factorization.

50823421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 50823421 is about 7129.0547059200. The cubic root of 50823421 is about 370.4144880215.

The spelling of 50823421 in words is "fifty million, eight hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 11 17 173 187 1571 1903 2941 17281 26707 32351 271783 293777 2989613 4620311 50823421