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50919037 = 133916849
BaseRepresentation
bin1100001000111…
…1011001111101
310112210221210021
43002033121331
5101013402122
65015212141
71155543001
oct302173175
9115727707
1050919037
1126819254
1215077051
13a71a810
146a96701
15470c1c7
hex308f67d

50919037 has 4 divisors (see below), whose sum is σ = 54835900. Its totient is φ = 47002176.

The previous prime is 50919017. The next prime is 50919047. The reversal of 50919037 is 73091905.

50919037 is nontrivially palindromic in base 12.

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 11115556 + 39803481 = 3334^2 + 6309^2 .

It is not a de Polignac number, because 50919037 - 27 = 50918909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50918993 and 50919011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50919017) 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, 1958412 + ... + 1958437.

It is an arithmetic number, because the mean of its divisors is an integer number (13708975).

Almost surely, 250919037 is an apocalyptic number.

It is an amenable number.

50919037 is a deficient number, since it is larger than the sum of its proper divisors (3916863).

50919037 is a wasteful number, since it uses less digits than its factorization.

50919037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916862.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 50919037 is about 7135.7576332160. The cubic root of 50919037 is about 370.6466340373.

The spelling of 50919037 in words is "fifty million, nine hundred nineteen thousand, thirty-seven".

Divisors: 1 13 3916849 50919037