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500052121 = 550790803
BaseRepresentation
bin11101110011100…
…011000010011001
31021211221021112221
4131303203002121
52011003131441
6121341504041
715251241622
oct3563430231
91254837487
10500052121
112372a2618
1211b572021
137c7a2a3a
144a5aaa49
152dd788d1
hex1dce3099

500052121 has 4 divisors (see below), whose sum is σ = 500148432. Its totient is φ = 499955812.

The previous prime is 500052101. The next prime is 500052143. The reversal of 500052121 is 121250005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500052121 - 217 = 499921049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500052095 and 500052104.

It is not an unprimeable number, because it can be changed into a prime (500052101) 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, 39895 + ... + 50908.

It is an arithmetic number, because the mean of its divisors is an integer number (125037108).

Almost surely, 2500052121 is an apocalyptic number.

It is an amenable number.

500052121 is a deficient number, since it is larger than the sum of its proper divisors (96311).

500052121 is an equidigital number, since it uses as much as digits as its factorization.

500052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96310.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 500052121 is about 22361.8452056175. The cubic root of 500052121 is about 793.7281040026.

It can be divided in two parts, 5000 and 52121, that added together give a square (57121 = 2392).

The spelling of 500052121 in words is "five hundred million, fifty-two thousand, one hundred twenty-one".

Divisors: 1 5507 90803 500052121