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50423420 = 2252521171
BaseRepresentation
bin1100000001011…
…0011001111100
310111212202221002
43000112121330
5100402022140
65000425432
71151410025
oct300263174
9114782832
1050423420
112650a953
1214a78278
13a5a6058
1469a7c4c
154660415
hex301667c

50423420 has 12 divisors (see below), whose sum is σ = 105889224. Its totient is φ = 20169360.

The previous prime is 50423407. The next prime is 50423423. The reversal of 50423420 is 2432405.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2521171 = 50423420 / (5 + 0 + 4 + 2 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 50423392 and 50423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50423423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260566 + ... + 1260605.

It is an arithmetic number, because the mean of its divisors is an integer number (8824102).

Almost surely, 250423420 is an apocalyptic number.

It is an amenable number.

50423420 is an abundant number, since it is smaller than the sum of its proper divisors (55465804).

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

50423420 is a wasteful number, since it uses less digits than its factorization.

50423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521180 (or 2521178 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 50423420 is about 7100.9450075324. The cubic root of 50423420 is about 369.4401564987.

Adding to 50423420 its reverse (2432405), we get a palindrome (52855825).

The spelling of 50423420 in words is "fifty million, four hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2521171 5042342 10084684 12605855 25211710 50423420