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50014681 = 149335669
BaseRepresentation
bin1011111011001…
…0100111011001
310111010000020121
42332302213121
5100300432211
64543553241
71145055253
oct276624731
9114100217
1050014681
1126260852
12148bb821
13a491cb2
1468dccd3
1545ce271
hex2fb29d9

50014681 has 4 divisors (see below), whose sum is σ = 50350500. Its totient is φ = 49678864.

The previous prime is 50014667. The next prime is 50014717. The reversal of 50014681 is 18641005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15015625 + 34999056 = 3875^2 + 5916^2 .

It is a cyclic number.

It is not a de Polignac number, because 50014681 - 27 = 50014553 is a prime.

It is a super-2 number, since 2×500146812 = 5002936631063522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50012681) 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, 167686 + ... + 167983.

It is an arithmetic number, because the mean of its divisors is an integer number (12587625).

Almost surely, 250014681 is an apocalyptic number.

It is an amenable number.

50014681 is a deficient number, since it is larger than the sum of its proper divisors (335819).

50014681 is a wasteful number, since it uses less digits than its factorization.

50014681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335818.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 50014681 is about 7072.1058391401. The cubic root of 50014681 is about 368.4392031799.

Adding to 50014681 its reverse (18641005), we get a palindrome (68655686).

The spelling of 50014681 in words is "fifty million, fourteen thousand, six hundred eighty-one".

Divisors: 1 149 335669 50014681