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1111304401 = 4931225371
BaseRepresentation
bin100001000111101…
…0010100011010001
32212110010010001021
41002033102203101
54233443220101
6302135035441
736352634344
oct10217224321
92773103037
101111304401
11520336499
1227020bb81
1314930b18c
14a784245b
156786a5a1
hex423d28d1

1111304401 has 4 divisors (see below), whose sum is σ = 1111534704. Its totient is φ = 1111074100.

The previous prime is 1111304393. The next prime is 1111304449. The reversal of 1111304401 is 1044031111.

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: 1044031111 = 2345392657.

It is a cyclic number.

It is not a de Polignac number, because 1111304401 - 23 = 1111304393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111305401) 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, 107755 + ... + 117616.

It is an arithmetic number, because the mean of its divisors is an integer number (277883676).

Almost surely, 21111304401 is an apocalyptic number.

It is an amenable number.

1111304401 is a deficient number, since it is larger than the sum of its proper divisors (230303).

1111304401 is an equidigital number, since it uses as much as digits as its factorization.

1111304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230302.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111304401 is about 33336.2325555843. The cubic root of 1111304401 is about 1035.8042248315.

Adding to 1111304401 its reverse (1044031111), we get a palindrome (2155335512).

The spelling of 1111304401 in words is "one billion, one hundred eleven million, three hundred four thousand, four hundred one".

Divisors: 1 4931 225371 1111304401