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11002201 = 71571743
BaseRepresentation
bin101001111110…
…000101011001
3202200222011221
4221332011121
510304032301
61031452041
7162342250
oct51760531
922628157
1011002201
116235131
123827021
132382aa2
141665797
15e74da1
hexa7e159

11002201 has 4 divisors (see below), whose sum is σ = 12573952. Its totient is φ = 9430452.

The previous prime is 11002177. The next prime is 11002207. The reversal of 11002201 is 10220011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11002201 - 25 = 11002169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 1571743 = 11002201 / (1 + 1 + 0 + 0 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002207) 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, 785865 + ... + 785878.

It is an arithmetic number, because the mean of its divisors is an integer number (3143488).

Almost surely, 211002201 is an apocalyptic number.

It is an amenable number.

11002201 is a deficient number, since it is larger than the sum of its proper divisors (1571751).

11002201 is an equidigital number, since it uses as much as digits as its factorization.

11002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571750.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11002201 is about 3316.9565869936. The cubic root of 11002201 is about 222.4128413410.

Adding to 11002201 its reverse (10220011), we get a palindrome (21222212).

It can be divided in two parts, 1100 and 2201, that multiplied together give a triangular number (2421100 = T2200).

The spelling of 11002201 in words is "eleven million, two thousand, two hundred one".

Divisors: 1 7 1571743 11002201