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50443146 = 23213732953
BaseRepresentation
bin1100000001101…
…1001110001010
310111220202222200
43000123032022
5100403140041
65001101030
71151521365
oct300331612
9114822880
1050443146
1126523756
1214a87776
13a5b2020
1469b10dc
1546661b6
hex301b38a

50443146 has 48 divisors (see below), whose sum is σ = 119353416. Its totient is φ = 15303168.

The previous prime is 50443139. The next prime is 50443147. The reversal of 50443146 is 64134405.

It can be written as a sum of positive squares in 4 ways, for example, as 43362225 + 7080921 = 6585^2 + 2661^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50443147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15606 + ... + 18558.

Almost surely, 250443146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50443146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59676708).

50443146 is an abundant number, since it is smaller than the sum of its proper divisors (68910270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50443146 is a wasteful number, since it uses less digits than its factorization.

50443146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 50443146 is about 7102.3338417734. Note that the first 3 decimals coincide. The cubic root of 50443146 is about 369.4883260887.

The spelling of 50443146 in words is "fifty million, four hundred forty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 13 18 26 39 73 78 117 146 219 234 438 657 949 1314 1898 2847 2953 5694 5906 8541 8859 17082 17718 26577 38389 53154 76778 115167 215569 230334 345501 431138 646707 691002 1293414 1940121 2802397 3880242 5604794 8407191 16814382 25221573 50443146