Search a number
-
+
1338770284 = 221193280547
BaseRepresentation
bin100111111001100…
…0000001101101100
310110022010120120121
41033303000031230
510220211122114
6340502254324
745114234235
oct11763001554
93408116517
101338770284
11627778a25
123144273a4
13184490b87
14c9b3408c
157c7eca24
hex4fcc036c

1338770284 has 12 divisors (see below), whose sum is σ = 2344820184. Its totient is φ = 668821664.

The previous prime is 1338770189. The next prime is 1338770327. The reversal of 1338770284 is 4820778331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338770284.

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, 135502 + ... + 145045.

It is an arithmetic number, because the mean of its divisors is an integer number (195401682).

Almost surely, 21338770284 is an apocalyptic number.

It is an amenable number.

1338770284 is a deficient number, since it is larger than the sum of its proper divisors (1006049900).

1338770284 is a wasteful number, since it uses less digits than its factorization.

1338770284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281744 (or 281742 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 1338770284 is about 36589.2099395437. The cubic root of 1338770284 is about 1102.1364220555.

The spelling of 1338770284 in words is "one billion, three hundred thirty-eight million, seven hundred seventy thousand, two hundred eighty-four".

Divisors: 1 2 4 1193 2386 4772 280547 561094 1122188 334692571 669385142 1338770284