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50134621 = 159731393
BaseRepresentation
bin1011111100111…
…1111001011101
310111100002202211
42333033321131
5100313301441
64550320421
71146065035
oct277177135
9114302684
1050134621
1126332979
1214959111
13a504774
1469308c5
154604a81
hex2fcfe5d

50134621 has 4 divisors (see below), whose sum is σ = 50167612. Its totient is φ = 50101632.

The previous prime is 50134613. The next prime is 50134627. The reversal of 50134621 is 12643105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12643105 = 52528621.

It can be written as a sum of positive squares in 2 ways, for example, as 34222500 + 15912121 = 5850^2 + 3989^2 .

It is a cyclic number.

It is not a de Polignac number, because 50134621 - 23 = 50134613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50134592 and 50134601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50134627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100 + ... + 17293.

It is an arithmetic number, because the mean of its divisors is an integer number (12541903).

Almost surely, 250134621 is an apocalyptic number.

It is an amenable number.

50134621 is a deficient number, since it is larger than the sum of its proper divisors (32991).

50134621 is a wasteful number, since it uses less digits than its factorization.

50134621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32990.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50134621 is about 7080.5805552935. The cubic root of 50134621 is about 368.7334855766.

Adding to 50134621 its reverse (12643105), we get a palindrome (62777726).

The spelling of 50134621 in words is "fifty million, one hundred thirty-four thousand, six hundred twenty-one".

Divisors: 1 1597 31393 50134621