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50343431 = 131384301
BaseRepresentation
bin1100000000001…
…0111000000111
310111201201012112
43000002320013
5100341442211
64555011235
71150624565
oct300027007
9114651175
1050343431
1126465846
1214a39b1b
13a578818
146986a35
15464688b
hex3002e07

50343431 has 4 divisors (see below), whose sum is σ = 50727864. Its totient is φ = 49959000.

The previous prime is 50343427. The next prime is 50343479. The reversal of 50343431 is 13434305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13434305 = 52686861.

It is a cyclic number.

It is not a de Polignac number, because 50343431 - 22 = 50343427 is a prime.

It is a super-2 number, since 2×503434312 = 5068922089703522, 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 = 50343397 and 50343406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50343031) 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, 192020 + ... + 192281.

It is an arithmetic number, because the mean of its divisors is an integer number (12681966).

Almost surely, 250343431 is an apocalyptic number.

50343431 is a deficient number, since it is larger than the sum of its proper divisors (384433).

50343431 is a wasteful number, since it uses less digits than its factorization.

50343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384432.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 50343431 is about 7095.3104935584. The cubic root of 50343431 is about 369.2446997805.

Adding to 50343431 its reverse (13434305), we get a palindrome (63777736).

It can be divided in two parts, 503 and 43431, that added together give a palindrome (43934).

The spelling of 50343431 in words is "fifty million, three hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 131 384301 50343431