Search a number
-
+
11138378 = 2291811061
BaseRepresentation
bin101010011111…
…010101001010
3202221212222112
4222133111022
510322412003
61034422322
7163450256
oct52372512
922855875
1011138378
116318479
1238919a2
1323cca74
14169d266
15ea03d8
hexa9f54a

11138378 has 16 divisors (see below), whose sum is σ = 17395560. Its totient is φ = 5342400.

The previous prime is 11138377. The next prime is 11138423. The reversal of 11138378 is 87383111.

It can be written as a sum of positive squares in 4 ways, for example, as 7166329 + 3972049 = 2677^2 + 1993^2 .

It is not an unprimeable number, because it can be changed into a prime (11138377) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9968 + ... + 11028.

Almost surely, 211138378 is an apocalyptic number.

11138378 is a deficient number, since it is larger than the sum of its proper divisors (6257182).

11138378 is a wasteful number, since it uses less digits than its factorization.

11138378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its digits is 4032, while the sum is 32.

The square root of 11138378 is about 3337.4208604849. The cubic root of 11138378 is about 223.3267011223.

The spelling of 11138378 in words is "eleven million, one hundred thirty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 29 58 181 362 1061 2122 5249 10498 30769 61538 192041 384082 5569189 11138378