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50943431 = 711661603
BaseRepresentation
bin1100001001010…
…1010111000111
310112212012020202
43002111113013
5101020142211
65015521115
71156004060
oct302252707
9115765222
1050943431
1126835610
121508919b
13a728956
146aa1567
15471453b
hex30955c7

50943431 has 8 divisors (see below), whose sum is σ = 63513984. Its totient is φ = 39696120.

The previous prime is 50943421. The next prime is 50943457. The reversal of 50943431 is 13434905.

50943431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50943431 is a prime.

It is a super-2 number, since 2×509434312 = 5190466324103522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50943394 and 50943403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50943421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330725 + ... + 330878.

It is an arithmetic number, because the mean of its divisors is an integer number (7939248).

Almost surely, 250943431 is an apocalyptic number.

50943431 is a deficient number, since it is larger than the sum of its proper divisors (12570553).

50943431 is a wasteful number, since it uses less digits than its factorization.

50943431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661621.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 50943431 is about 7137.4667074530. The cubic root of 50943431 is about 370.7058136752.

The spelling of 50943431 in words is "fifty million, nine hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 7 11 77 661603 4631221 7277633 50943431