Search a number
-
+
1113383780 = 22555669189
BaseRepresentation
bin100001001011100…
…1110001101100100
32212121000202102022
41002113032031210
54240011240110
6302251402312
736406414565
oct10227161544
92777022368
101113383780
11521526793
12270a53398
13149888792
14a7c2416c
1567b2b755
hex425ce364

1113383780 has 12 divisors (see below), whose sum is σ = 2338105980. Its totient is φ = 445353504.

The previous prime is 1113383729. The next prime is 1113383801. The reversal of 1113383780 is 873833111.

It can be written as a sum of positive squares in 2 ways, for example, as 235683904 + 877699876 = 15352^2 + 29626^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1113383780.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27834575 + ... + 27834614.

It is an arithmetic number, because the mean of its divisors is an integer number (194842165).

Almost surely, 21113383780 is an apocalyptic number.

1113383780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113383780 is an abundant number, since it is smaller than the sum of its proper divisors (1224722200).

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

1113383780 is a wasteful number, since it uses less digits than its factorization.

1113383780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55669198 (or 55669196 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1113383780 is about 33367.4059525160. The cubic root of 1113383780 is about 1036.4498587944.

The spelling of 1113383780 in words is "one billion, one hundred thirteen million, three hundred eighty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 55669189 111338378 222676756 278345945 556691890 1113383780