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11272015 = 52254403
BaseRepresentation
bin101010111111…
…111101001111
3210012200022001
4222333331033
510341201030
61041333131
7164545006
oct52777517
923180261
1011272015
1163a9917
1239371a7
132448841
1416d5c3d
15ec9cca
hexabff4f

11272015 has 4 divisors (see below), whose sum is σ = 13526424. Its totient is φ = 9017608.

The previous prime is 11271991. The next prime is 11272043. The reversal of 11272015 is 51027211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11272015 - 25 = 11271983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11271983 and 11272001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127197 + ... + 1127206.

It is an arithmetic number, because the mean of its divisors is an integer number (3381606).

Almost surely, 211272015 is an apocalyptic number.

11272015 is a deficient number, since it is larger than the sum of its proper divisors (2254409).

11272015 is an equidigital number, since it uses as much as digits as its factorization.

11272015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254408.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 11272015 is about 3357.3821647230. The cubic root of 11272015 is about 224.2163022775.

Adding to 11272015 its reverse (51027211), we get a palindrome (62299226).

It can be divided in two parts, 112 and 72015, that added together give a palindrome (72127).

The spelling of 11272015 in words is "eleven million, two hundred seventy-two thousand, fifteen".

Divisors: 1 5 2254403 11272015