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9029939 = 22340493
BaseRepresentation
bin100010011100…
…100100110011
3121222202202012
4202130210303
54302424224
6521313135
7136516232
oct42344463
917882665
109029939
115108366
1230357ab
131b42179
1412b0b19
15bd580e
hex89c933

9029939 has 4 divisors (see below), whose sum is σ = 9070656. Its totient is φ = 8989224.

The previous prime is 9029929. The next prime is 9029947. The reversal of 9029939 is 9399209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9399209 = 41229249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9029939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9029896 and 9029905.

It is not an unprimeable number, because it can be changed into a prime (9029929) 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, 20024 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (2267664).

Almost surely, 29029939 is an apocalyptic number.

9029939 is a deficient number, since it is larger than the sum of its proper divisors (40717).

9029939 is a wasteful number, since it uses less digits than its factorization.

9029939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40716.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 9029939 is about 3004.9856904817. The cubic root of 9029939 is about 208.2387774995.

The spelling of 9029939 in words is "nine million, twenty-nine thousand, nine hundred thirty-nine".

Divisors: 1 223 40493 9029939