Search a number
-
+
50240918440 = 2353217390433
BaseRepresentation
bin101110110010100101…
…111001001110101000
311210200101011002121001
4232302211321032220
51310343133342230
635025205124344
73426005521606
oct566245711650
9153611132531
1050240918440
111a3417636a9
1298a16b96b4
13497895290b
142608724876
151490ad30ca
hexbb29793a8

50240918440 has 32 divisors (see below), whose sum is σ = 113077495080. Its totient is φ = 20090068992.

The previous prime is 50240918437. The next prime is 50240918477. The reversal of 50240918440 is 4481904205.

It can be written as a sum of positive squares in 4 ways, for example, as 49874502276 + 366416164 = 223326^2 + 19142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50240918440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66537 + ... + 323896.

Almost surely, 250240918440 is an apocalyptic number.

It is an amenable number.

50240918440 is an abundant number, since it is smaller than the sum of its proper divisors (62836576640).

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

50240918440 is a wasteful number, since it uses less digits than its factorization.

50240918440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393661 (or 393657 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 50240918440 in words is "fifty billion, two hundred forty million, nine hundred eighteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3217 6434 12868 16085 25736 32170 64340 128680 390433 780866 1561732 1952165 3123464 3904330 7808660 15617320 1256022961 2512045922 5024091844 6280114805 10048183688 12560229610 25120459220 50240918440