Search a number
-
+
50385340 = 22519671979
BaseRepresentation
bin1100000000110…
…1000110111100
310111210211200201
43000031012330
5100344312330
64555533244
71151161015
oct300150674
9114724621
1050385340
1126494285
1214a5a224
13a591915
14699800c
154653eca
hex300d1bc

50385340 has 48 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 18798912.

The previous prime is 50385299. The next prime is 50385353. The reversal of 50385340 is 4358305.

It is a junction number, because it is equal to n+sod(n) for n = 50385299 and 50385308.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24471 + ... + 26449.

It is an arithmetic number, because the mean of its divisors is an integer number (2356200).

Almost surely, 250385340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50385340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56548800).

50385340 is an abundant number, since it is smaller than the sum of its proper divisors (62712260).

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

50385340 is a wasteful number, since it uses less digits than its factorization.

50385340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 50385340 is about 7098.2631678461. The cubic root of 50385340 is about 369.3471321056.

The spelling of 50385340 in words is "fifty million, three hundred eighty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 67 76 95 134 190 268 335 380 670 1273 1340 1979 2546 3958 5092 6365 7916 9895 12730 19790 25460 37601 39580 75202 132593 150404 188005 265186 376010 530372 662965 752020 1325930 2519267 2651860 5038534 10077068 12596335 25192670 50385340