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11132145 = 325247381
BaseRepresentation
bin101010011101…
…110011110001
3202221120102200
4222131303301
510322212040
61034333413
7163423143
oct52356361
922846380
1011132145
116313822
12388a269
1323c9c8b
14169ac93
15e9d630
hexa9dcf1

11132145 has 12 divisors (see below), whose sum is σ = 19295796. Its totient is φ = 5937120.

The previous prime is 11132123. The next prime is 11132159. The reversal of 11132145 is 54123111.

It can be written as a sum of positive squares in 2 ways, for example, as 3825936 + 7306209 = 1956^2 + 2703^2 .

It is not a de Polignac number, because 11132145 - 25 = 11132113 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123646 + ... + 123735.

It is an arithmetic number, because the mean of its divisors is an integer number (1607983).

Almost surely, 211132145 is an apocalyptic number.

11132145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11132145 is a deficient number, since it is larger than the sum of its proper divisors (8163651).

11132145 is a wasteful number, since it uses less digits than its factorization.

11132145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247392 (or 247389 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11132145 is about 3336.4869248957. The cubic root of 11132145 is about 223.2850357182.

Adding to 11132145 its reverse (54123111), we get a palindrome (65255256).

The spelling of 11132145 in words is "eleven million, one hundred thirty-two thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 247381 742143 1236905 2226429 3710715 11132145