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9042113 = 172918341
BaseRepresentation
bin100010011111…
…100011000001
3122000101110002
4202133203001
54303321423
6521445345
7136566563
oct42374301
918011402
109042113
115116523
123040855
131b47882
1412b5333
15bd9228
hex89f8c1

9042113 has 8 divisors (see below), whose sum is σ = 9904680. Its totient is φ = 8216320.

The previous prime is 9042109. The next prime is 9042127. The reversal of 9042113 is 3112409.

It can be written as a sum of positive squares in 4 ways, for example, as 908209 + 8133904 = 953^2 + 2852^2 .

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 9042113 - 22 = 9042109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042413) 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, 8678 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (1238085).

Almost surely, 29042113 is an apocalyptic number.

It is an amenable number.

9042113 is a deficient number, since it is larger than the sum of its proper divisors (862567).

9042113 is a wasteful number, since it uses less digits than its factorization.

9042113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18387.

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

The square root of 9042113 is about 3007.0106418169. The cubic root of 9042113 is about 208.3323167239.

The spelling of 9042113 in words is "nine million, forty-two thousand, one hundred thirteen".

Divisors: 1 17 29 493 18341 311797 531889 9042113