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9031241 = 16015641
BaseRepresentation
bin100010011100…
…111001001001
3121222211112102
4202130321021
54302444431
6521323145
7136523102
oct42347111
917884472
109031241
11510933a
1230364b5
131b4293b
1412b13a9
15bd5dcb
hex89ce49

9031241 has 4 divisors (see below), whose sum is σ = 9038484. Its totient is φ = 9024000.

The previous prime is 9031229. The next prime is 9031259. The reversal of 9031241 is 1421309.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8976016 + 55225 = 2996^2 + 235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9031241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9031291) 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, 1220 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (2259621).

Almost surely, 29031241 is an apocalyptic number.

It is an amenable number.

9031241 is a deficient number, since it is larger than the sum of its proper divisors (7243).

9031241 is a wasteful number, since it uses less digits than its factorization.

9031241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9031241 is about 3005.2023226399. The cubic root of 9031241 is about 208.2487854615.

The spelling of 9031241 in words is "nine million, thirty-one thousand, two hundred forty-one".

Divisors: 1 1601 5641 9031241