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11120401 = 15437207
BaseRepresentation
bin101010011010…
…111100010001
3202220222022201
4222122330101
510321323101
61034203201
7163343665
oct52327421
922828281
1011120401
116305a16
123883501
1323c4826
1416968a5
15e99e01
hexa9af11

11120401 has 4 divisors (see below), whose sum is σ = 11129152. Its totient is φ = 11111652.

The previous prime is 11120399. The next prime is 11120411. The reversal of 11120401 is 10402111.

11120401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10402111 = 16076473.

It is a cyclic number.

It is not a de Polignac number, because 11120401 - 21 = 11120399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120411) 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, 2061 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (2782288).

Almost surely, 211120401 is an apocalyptic number.

It is an amenable number.

11120401 is a deficient number, since it is larger than the sum of its proper divisors (8751).

11120401 is an equidigital number, since it uses as much as digits as its factorization.

11120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11120401 is about 3334.7265255190. The cubic root of 11120401 is about 223.2064889473.

Adding to 11120401 its reverse (10402111), we get a palindrome (21522512).

The spelling of 11120401 in words is "eleven million, one hundred twenty thousand, four hundred one".

Divisors: 1 1543 7207 11120401