Search a number
-
+
1138886384 = 2471180399
BaseRepresentation
bin100001111100010…
…0000011011110000
32221101000102102012
41003320200123300
54313023331014
6305002142052
740136242316
oct10370403360
92841012365
101138886384
11534965219
122794b1928
13151c4768c
14ab3820b6
1569eb7c3e
hex43e206f0

1138886384 has 10 divisors (see below), whose sum is σ = 2206592400. Its totient is φ = 569443184.

The previous prime is 1138886351. The next prime is 1138886407. The reversal of 1138886384 is 4836888311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35590184 + ... + 35590215.

It is an arithmetic number, because the mean of its divisors is an integer number (220659240).

Almost surely, 21138886384 is an apocalyptic number.

It is an amenable number.

1138886384 is a deficient number, since it is larger than the sum of its proper divisors (1067706016).

1138886384 is an equidigital number, since it uses as much as digits as its factorization.

1138886384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71180407 (or 71180401 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 1138886384 is about 33747.3907732139. The cubic root of 1138886384 is about 1044.3036603897.

The spelling of 1138886384 in words is "one billion, one hundred thirty-eight million, eight hundred eighty-six thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 71180399 142360798 284721596 569443192 1138886384