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50342321 = 179730529
BaseRepresentation
bin1100000000001…
…0100110110001
310111201122200102
43000002212301
5100341423241
64555002145
71150621421
oct300024661
9114648612
1050342321
1126464a27
1214a39355
13a578173
146986481
15464639b
hex30029b1

50342321 has 8 divisors (see below), whose sum is σ = 53854920. Its totient is φ = 46891008.

The previous prime is 50342309. The next prime is 50342351. The reversal of 50342321 is 12324305.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 49210225 = 1064^2 + 7015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50342321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50342293 and 50342302.

It is not an unprimeable number, because it can be changed into a prime (50342351) 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, 13616 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (6731865).

Almost surely, 250342321 is an apocalyptic number.

It is an amenable number.

50342321 is a deficient number, since it is larger than the sum of its proper divisors (3512599).

50342321 is a wasteful number, since it uses less digits than its factorization.

50342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30643.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 50342321 is about 7095.2322724489. The cubic root of 50342321 is about 369.2419859896.

Adding to 50342321 its reverse (12324305), we get a palindrome (62666626).

It can be divided in two parts, 503 and 42321, that added together give a palindrome (42824).

The spelling of 50342321 in words is "fifty million, three hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 17 97 1649 30529 518993 2961313 50342321