Search a number
-
+
11151369 = 321239041
BaseRepresentation
bin101010100010…
…100000001001
3202222112210200
4222202200021
510323320434
61035002413
7163533165
oct52424011
922875720
1011151369
116327209
123899409
132405958
1416a3ca5
15ea4199
hexaa2809

11151369 has 6 divisors (see below), whose sum is σ = 16107546. Its totient is φ = 7434240.

The previous prime is 11151353. The next prime is 11151377. The reversal of 11151369 is 96315111.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 3283344 = 2805^2 + 1812^2 .

It is not a de Polignac number, because 11151369 - 24 = 11151353 is a prime.

It is a super-2 number, since 2×111513692 = 248706061148322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11151169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619512 + ... + 619529.

It is an arithmetic number, because the mean of its divisors is an integer number (2684591).

Almost surely, 211151369 is an apocalyptic number.

It is an amenable number.

11151369 is a deficient number, since it is larger than the sum of its proper divisors (4956177).

11151369 is a wasteful number, since it uses less digits than its factorization.

11151369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239047 (or 1239044 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 11151369 is about 3339.3665566990. The cubic root of 11151369 is about 223.4134914364.

It can be divided in two parts, 1115136 and 9, that multiplied together give a square (10036224 = 31682).

The spelling of 11151369 in words is "eleven million, one hundred fifty-one thousand, three hundred sixty-nine".

Divisors: 1 3 9 1239041 3717123 11151369