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50530413 = 316843471
BaseRepresentation
bin1100000011000…
…0100001101101
310112002012200210
43000300201231
5100413433123
65003013033
71152333663
oct300604155
9115065623
1050530413
112658327a
1214b0a179
13a61296b
1469d4c33
154681e93
hex303086d

50530413 has 4 divisors (see below), whose sum is σ = 67373888. Its totient is φ = 33686940.

The previous prime is 50530399. The next prime is 50530423. The reversal of 50530413 is 31403505.

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 not a de Polignac number, because 50530413 - 26 = 50530349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50530413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50530423) 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, 8421733 + ... + 8421738.

It is an arithmetic number, because the mean of its divisors is an integer number (16843472).

Almost surely, 250530413 is an apocalyptic number.

It is an amenable number.

50530413 is a deficient number, since it is larger than the sum of its proper divisors (16843475).

50530413 is a wasteful number, since it uses less digits than its factorization.

50530413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16843474.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 50530413 is about 7108.4747309110. The cubic root of 50530413 is about 369.7012758085.

Adding to 50530413 its reverse (31403505), we get a palindrome (81933918).

The spelling of 50530413 in words is "fifty million, five hundred thirty thousand, four hundred thirteen".

Divisors: 1 3 16843471 50530413