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11202201 = 3217211347
BaseRepresentation
bin101010101110…
…111010011001
3210002010112100
4222232322121
510331432301
61040034013
7164134323
oct52567231
923063470
1011202201
11636141a
123902909
132422b2a
1416b8613
15eb4286
hexaaee99

11202201 has 24 divisors (see below), whose sum is σ = 17263584. Its totient is φ = 6975360.

The previous prime is 11202187. The next prime is 11202209. The reversal of 11202201 is 10220211.

Adding to 11202201 its reverse (10220211), we get a palindrome (21422412).

It can be divided in two parts, 1120 and 2201, that added together give a triangular number (3321 = T81).

It is not a de Polignac number, because 11202201 - 27 = 11202073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11202209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32110 + ... + 32456.

It is an arithmetic number, because the mean of its divisors is an integer number (719316).

Almost surely, 211202201 is an apocalyptic number.

It is an amenable number.

11202201 is a deficient number, since it is larger than the sum of its proper divisors (6061383).

11202201 is a wasteful number, since it uses less digits than its factorization.

11202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 11202201 is about 3346.9689272534. The cubic root of 11202201 is about 223.7524436132.

The spelling of 11202201 in words is "eleven million, two hundred two thousand, two hundred one".

Divisors: 1 3 9 17 51 153 211 347 633 1041 1899 3123 3587 5899 10761 17697 32283 53091 73217 219651 658953 1244689 3734067 11202201