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50252521 = 1117326407
BaseRepresentation
bin1011111110110…
…0101011101001
310111120002111111
42333230223221
5100331040041
64553030321
71150065544
oct277545351
9114502444
1050252521
1126403510
12149b53a1
13a546327
14696185b
154629981
hex2fecae9

50252521 has 8 divisors (see below), whose sum is σ = 55139904. Its totient is φ = 45418320.

The previous prime is 50252513. The next prime is 50252537. The reversal of 50252521 is 12525205.

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

It is a cyclic number.

It is not a de Polignac number, because 50252521 - 23 = 50252513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50252492 and 50252501.

It is not an unprimeable number, because it can be changed into a prime (50252821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11301 + ... + 15106.

It is an arithmetic number, because the mean of its divisors is an integer number (6892488).

Almost surely, 250252521 is an apocalyptic number.

It is an amenable number.

50252521 is a deficient number, since it is larger than the sum of its proper divisors (4887383).

50252521 is a wasteful number, since it uses less digits than its factorization.

50252521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26591.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 50252521 is about 7088.9012547785. The cubic root of 50252521 is about 369.0223055775.

Adding to 50252521 its reverse (12525205), we get a palindrome (62777726).

The spelling of 50252521 in words is "fifty million, two hundred fifty-two thousand, five hundred twenty-one".

Divisors: 1 11 173 1903 26407 290477 4568411 50252521