Search a number
-
+
11415080 = 235285377
BaseRepresentation
bin101011100010…
…111000101000
3210110221112202
4223202320220
510410240310
61044355332
7166012055
oct53427050
923427482
1011415080
116497356
1239a5b48
1324989b1
14173202c
1510073a5
hexae2e28

11415080 has 16 divisors (see below), whose sum is σ = 25684020. Its totient is φ = 4566016.

The previous prime is 11415077. The next prime is 11415091. The reversal of 11415080 is 8051411.

It can be written as a sum of positive squares in 2 ways, for example, as 9449476 + 1965604 = 3074^2 + 1402^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142649 + ... + 142728.

Almost surely, 211415080 is an apocalyptic number.

11415080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11415080 is an abundant number, since it is smaller than the sum of its proper divisors (14268940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11415080 is a wasteful number, since it uses less digits than its factorization.

11415080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285388 (or 285384 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 11415080 is about 3378.6210204757. The cubic root of 11415080 is about 225.1609054795.

Adding to 11415080 its reverse (8051411), we get a palindrome (19466491).

The spelling of 11415080 in words is "eleven million, four hundred fifteen thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 285377 570754 1141508 1426885 2283016 2853770 5707540 11415080