Search a number
-
+
11381902 = 275771409
BaseRepresentation
bin101011011010…
…110010001110
3210102021000221
4223122302032
510403210102
61043541554
7165513250
oct53326216
923367027
1011381902
116474434
12398a8ba
13248686c
141723cd0
15eec637
hexadac8e

11381902 has 16 divisors (see below), whose sum is σ = 19559520. Its totient is φ = 4866048.

The previous prime is 11381899. The next prime is 11381921. The reversal of 11381902 is 20918311.

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 in 7 ways as a sum of consecutive naturals, for example, 7374 + ... + 8782.

It is an arithmetic number, because the mean of its divisors is an integer number (1222470).

Almost surely, 211381902 is an apocalyptic number.

11381902 is a deficient number, since it is larger than the sum of its proper divisors (8177618).

11381902 is a wasteful number, since it uses less digits than its factorization.

11381902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11381902 is about 3373.7074561971. The cubic root of 11381902 is about 224.9425499414.

The spelling of 11381902 in words is "eleven million, three hundred eighty-one thousand, nine hundred two".

Divisors: 1 2 7 14 577 1154 1409 2818 4039 8078 9863 19726 812993 1625986 5690951 11381902