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11001401 = 83132547
BaseRepresentation
bin101001111101…
…111000111001
3202200221002022
4221331320321
510304021101
61031444225
7162340025
oct51757071
922627068
1011001401
116234574
123826675
132382608
141665385
15e74a1b
hexa7de39

11001401 has 4 divisors (see below), whose sum is σ = 11134032. Its totient is φ = 10868772.

The previous prime is 11001391. The next prime is 11001413. The reversal of 11001401 is 10410011.

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 a de Polignac number, because none of the positive numbers 2k-11001401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001451) 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, 66191 + ... + 66356.

It is an arithmetic number, because the mean of its divisors is an integer number (2783508).

Almost surely, 211001401 is an apocalyptic number.

It is an amenable number.

11001401 is a deficient number, since it is larger than the sum of its proper divisors (132631).

11001401 is an equidigital number, since it uses as much as digits as its factorization.

11001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132630.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11001401 is about 3316.8359923276. The cubic root of 11001401 is about 222.4074504625.

Adding to 11001401 its reverse (10410011), we get a palindrome (21411412).

The spelling of 11001401 in words is "eleven million, one thousand, four hundred one".

Divisors: 1 83 132547 11001401