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9111401 = 13700877
BaseRepresentation
bin100010110000…
…011101101001
3122010220111022
4202300131221
54313031101
6523142225
7140305565
oct42603551
918126438
109111401
115163592
123074975
131b70280
1412d26a5
15beea1b
hex8b0769

9111401 has 4 divisors (see below), whose sum is σ = 9812292. Its totient is φ = 8410512.

The previous prime is 9111341. The next prime is 9111449. The reversal of 9111401 is 1041119.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 6864400 = 1499^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 9111401 - 218 = 8849257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9111401.

It is not an unprimeable number, because it can be changed into a prime (9111461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350426 + ... + 350451.

It is an arithmetic number, because the mean of its divisors is an integer number (2453073).

Almost surely, 29111401 is an apocalyptic number.

It is an amenable number.

9111401 is a deficient number, since it is larger than the sum of its proper divisors (700891).

9111401 is a wasteful number, since it uses less digits than its factorization.

9111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700890.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 9111401 is about 3018.5097316391. The cubic root of 9111401 is about 208.8631002925.

The spelling of 9111401 in words is "nine million, one hundred eleven thousand, four hundred one".

Divisors: 1 13 700877 9111401