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50013111 = 319877423
BaseRepresentation
bin1011111011001…
…0001110110111
310111002221002110
42332302032313
5100300404421
64543542103
71145050551
oct276621667
9114087073
1050013111
112625a655
12148ba933
13a491375
1468dc4d1
1545cda76
hex2fb23b7

50013111 has 8 divisors (see below), whose sum is σ = 70193920. Its totient is φ = 31587192.

The previous prime is 50013101. The next prime is 50013113. The reversal of 50013111 is 11131005.

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

It is not a de Polignac number, because 50013111 - 27 = 50012983 is a prime.

It is a super-2 number, since 2×500131112 = 5002622543796642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50013113) 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, 438655 + ... + 438768.

It is an arithmetic number, because the mean of its divisors is an integer number (8774240).

Almost surely, 250013111 is an apocalyptic number.

50013111 is a deficient number, since it is larger than the sum of its proper divisors (20180809).

50013111 is a wasteful number, since it uses less digits than its factorization.

50013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877445.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 50013111 is about 7071.9948387990. The cubic root of 50013111 is about 368.4353479412.

Adding to 50013111 its reverse (11131005), we get a palindrome (61144116).

The spelling of 50013111 in words is "fifty million, thirteen thousand, one hundred eleven".

Divisors: 1 3 19 57 877423 2632269 16671037 50013111