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9042241 = 133491993
BaseRepresentation
bin100010011111…
…100101000001
3122000101121211
4202133211001
54303322431
6521450121
7136600135
oct42374501
918011554
109042241
11511662a
123040941
131b47950
1412b53c5
15bd92b1
hex89f941

9042241 has 8 divisors (see below), whose sum is σ = 9770600. Its totient is φ = 8318592.

The previous prime is 9042239. The next prime is 9042251. The reversal of 9042241 is 1422409.

It can be written as a sum of positive squares in 4 ways, for example, as 1638400 + 7403841 = 1280^2 + 2721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9042241 - 21 = 9042239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9042221) 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 7 ways as a sum of consecutive naturals, for example, 3541 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (1221325).

Almost surely, 29042241 is an apocalyptic number.

It is an amenable number.

9042241 is a deficient number, since it is larger than the sum of its proper divisors (728359).

9042241 is a wasteful number, since it uses less digits than its factorization.

9042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 9042241 is about 3007.0319253377. The cubic root of 9042241 is about 208.3332997689. Note that the first 3 decimals are identical.

The spelling of 9042241 in words is "nine million, forty-two thousand, two hundred forty-one".

Divisors: 1 13 349 1993 4537 25909 695557 9042241