Search a number
-
+
11438755 = 510122651
BaseRepresentation
bin101011101000…
…101010100011
3210112011000121
4223220222203
510412020010
61045101111
7166141066
oct53505243
923464017
1011438755
116503119
1239b7797
1324a66c3
14173a8dd
15100e3da
hexae8aa3

11438755 has 8 divisors (see below), whose sum is σ = 13863024. Its totient is φ = 9060000.

The previous prime is 11438753. The next prime is 11438759. The reversal of 11438755 is 55783411.

It is a happy number.

11438755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11438755 - 21 = 11438753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11438755.

It is not an unprimeable number, because it can be changed into a prime (11438753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10821 + ... + 11830.

It is an arithmetic number, because the mean of its divisors is an integer number (1732878).

Almost surely, 211438755 is an apocalyptic number.

11438755 is a deficient number, since it is larger than the sum of its proper divisors (2424269).

11438755 is a wasteful number, since it uses less digits than its factorization.

11438755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22757.

The product of its digits is 16800, while the sum is 34.

The square root of 11438755 is about 3382.1228540667. The cubic root of 11438755 is about 225.3164600435.

The spelling of 11438755 in words is "eleven million, four hundred thirty-eight thousand, seven hundred fifty-five".

Divisors: 1 5 101 505 22651 113255 2287751 11438755