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52050121 = 251207371
BaseRepresentation
bin1100011010001…
…1100011001001
310121221102100021
43012203203021
5101311100441
65055340441
71201263424
oct306434311
9117842307
1052050121
1127421032
1215521721
13aa255b6
146cac9bb
1548823d1
hex31a38c9

52050121 has 4 divisors (see below), whose sum is σ = 52257744. Its totient is φ = 51842500.

The previous prime is 52050109. The next prime is 52050133. The reversal of 52050121 is 12105025.

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 an interprime number because it is at equal distance from previous prime (52050109) and next prime (52050133).

It is a cyclic number.

It is not a de Polignac number, because 52050121 - 27 = 52049993 is a prime.

It is a super-2 number, since 2×520501212 = 5418430192229282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52050095 and 52050104.

It is not an unprimeable number, because it can be changed into a prime (52050161) 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, 103435 + ... + 103936.

It is an arithmetic number, because the mean of its divisors is an integer number (13064436).

Almost surely, 252050121 is an apocalyptic number.

It is an amenable number.

52050121 is a deficient number, since it is larger than the sum of its proper divisors (207623).

52050121 is a wasteful number, since it uses less digits than its factorization.

52050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207622.

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

The square root of 52050121 is about 7214.5769799760. The cubic root of 52050121 is about 373.3709984497.

Adding to 52050121 its reverse (12105025), we get a palindrome (64155146).

The spelling of 52050121 in words is "fifty-two million, fifty thousand, one hundred twenty-one".

Divisors: 1 251 207371 52050121