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11125207 = 20535419
BaseRepresentation
bin101010011100…
…000111010111
3202221012220201
4222130013113
510322001312
61034241331
7163364002
oct52340727
922835821
1011125207
116309595
123886247
1323c6a82
141698539
15e9b557
hexa9c1d7

11125207 has 4 divisors (see below), whose sum is σ = 11132680. Its totient is φ = 11117736.

The previous prime is 11125201. The next prime is 11125223. The reversal of 11125207 is 70252111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70252111 = 174740213.

It is a cyclic number.

It is not a de Polignac number, because 11125207 - 23 = 11125199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 657 + ... + 4762.

It is an arithmetic number, because the mean of its divisors is an integer number (2783170).

Almost surely, 211125207 is an apocalyptic number.

11125207 is a deficient number, since it is larger than the sum of its proper divisors (7473).

11125207 is an equidigital number, since it uses as much as digits as its factorization.

11125207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472.

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

The square root of 11125207 is about 3335.4470464992. The cubic root of 11125207 is about 223.2386393433.

Adding to 11125207 its reverse (70252111), we get a palindrome (81377318).

The spelling of 11125207 in words is "eleven million, one hundred twenty-five thousand, two hundred seven".

Divisors: 1 2053 5419 11125207