Search a number
-
+
50890853 = 1329134989
BaseRepresentation
bin1100001000100…
…0100001100101
310112202112010102
43002020201211
5101012001403
65014433445
71155364556
oct302104145
9115675112
1050890853
11267aa062
1215062885
13a70aa40
146a8a32d
154703b88
hex3088865

50890853 has 8 divisors (see below), whose sum is σ = 56695800. Its totient is φ = 45355968.

The previous prime is 50890849. The next prime is 50890907. The reversal of 50890853 is 35809805.

It can be written as a sum of positive squares in 4 ways, for example, as 11175649 + 39715204 = 3343^2 + 6302^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50890853 - 22 = 50890849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50890153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67118 + ... + 67871.

It is an arithmetic number, because the mean of its divisors is an integer number (7086975).

Almost surely, 250890853 is an apocalyptic number.

It is an amenable number.

50890853 is a deficient number, since it is larger than the sum of its proper divisors (5804947).

50890853 is a wasteful number, since it uses less digits than its factorization.

50890853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135031.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 50890853 is about 7133.7825170102. The cubic root of 50890853 is about 370.5782363528.

The spelling of 50890853 in words is "fifty million, eight hundred ninety thousand, eight hundred fifty-three".

Divisors: 1 13 29 377 134989 1754857 3914681 50890853