Search a number
-
+
11387645 = 52399023
BaseRepresentation
bin101011011100…
…001011111101
3210102112220122
4223130023331
510403401040
61044024325
7165536063
oct53341375
923375818
1011387645
116478785
1239920a5
132489369
141726033
15eee1b5
hexadc2fd

11387645 has 8 divisors (see below), whose sum is σ = 14259456. Its totient is φ = 8713936.

The previous prime is 11387617. The next prime is 11387687. The reversal of 11387645 is 54678311.

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

It is a cyclic number.

It is not a de Polignac number, because 11387645 - 210 = 11386621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49397 + ... + 49626.

It is an arithmetic number, because the mean of its divisors is an integer number (1782432).

Almost surely, 211387645 is an apocalyptic number.

It is an amenable number.

11387645 is a deficient number, since it is larger than the sum of its proper divisors (2871811).

11387645 is an equidigital number, since it uses as much as digits as its factorization.

11387645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99051.

The product of its digits is 20160, while the sum is 35.

The square root of 11387645 is about 3374.5584896398. The cubic root of 11387645 is about 224.9803768895.

The spelling of 11387645 in words is "eleven million, three hundred eighty-seven thousand, six hundred forty-five".

Divisors: 1 5 23 115 99023 495115 2277529 11387645