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11202001 = 19589579
BaseRepresentation
bin101010101110…
…110111010001
3210002010020221
4222232313101
510331431001
61040033041
7164133616
oct52566721
923063227
1011202001
116361258
123902781
132422a05
1416b850d
15eb41a1
hexaaedd1

11202001 has 4 divisors (see below), whose sum is σ = 11791600. Its totient is φ = 10612404.

The previous prime is 11201987. The next prime is 11202017. The reversal of 11202001 is 10020211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10020211 = 15763823.

It is a cyclic number.

It is not a de Polignac number, because 11202001 - 217 = 11070929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294771 + ... + 294808.

It is an arithmetic number, because the mean of its divisors is an integer number (2947900).

Almost surely, 211202001 is an apocalyptic number.

It is an amenable number.

11202001 is a deficient number, since it is larger than the sum of its proper divisors (589599).

11202001 is an equidigital number, since it uses as much as digits as its factorization.

11202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589598.

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

The square root of 11202001 is about 3346.9390493405. The cubic root of 11202001 is about 223.7511120072.

Adding to 11202001 its reverse (10020211), we get a palindrome (21222212).

The spelling of 11202001 in words is "eleven million, two hundred two thousand, one".

Divisors: 1 19 589579 11202001