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50034431 = 281917749
BaseRepresentation
bin1011111011011…
…1011011111111
310111011000100002
42332313123333
5100302100211
64544224515
71145166656
oct276673377
9114130302
1050034431
1126274677
121490b13b
13a49ac95
14690619d
1545d503b
hex2fb76ff

50034431 has 4 divisors (see below), whose sum is σ = 50055000. Its totient is φ = 50013864.

The previous prime is 50034427. The next prime is 50034433. The reversal of 50034431 is 13443005.

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

It is a cyclic number.

It is not a de Polignac number, because 50034431 - 22 = 50034427 is a prime.

It is a super-2 number, since 2×500344312 = 5006888570987522, 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 (50034433) 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, 6056 + ... + 11693.

It is an arithmetic number, because the mean of its divisors is an integer number (12513750).

Almost surely, 250034431 is an apocalyptic number.

50034431 is a deficient number, since it is larger than the sum of its proper divisors (20569).

50034431 is a wasteful number, since it uses less digits than its factorization.

50034431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20568.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 50034431 is about 7073.5020322327. The cubic root of 50034431 is about 368.4876937198.

Adding to 50034431 its reverse (13443005), we get a palindrome (63477436).

The spelling of 50034431 in words is "fifty million, thirty-four thousand, four hundred thirty-one".

Divisors: 1 2819 17749 50034431