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9409013 = 22034271
BaseRepresentation
bin100011111001…
…000111110101
3122201000201222
4203321013311
54402042023
6533400125
7142655345
oct43710765
918630658
109409013
115347149
123199045
131c45883
14136cd25
15c5ccc8
hex8f91f5

9409013 has 4 divisors (see below), whose sum is σ = 9415488. Its totient is φ = 9402540.

The previous prime is 9408983. The next prime is 9409051. The reversal of 9409013 is 3109049.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3109049 = 8813529.

It is a cyclic number.

It is not a de Polignac number, because 9409013 - 28 = 9408757 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 (9409073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (2353872).

Almost surely, 29409013 is an apocalyptic number.

It is an amenable number.

9409013 is a deficient number, since it is larger than the sum of its proper divisors (6475).

9409013 is a wasteful number, since it uses less digits than its factorization.

9409013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9409013 is about 3067.4114494146. The cubic root of 9409013 is about 211.1128601168.

The spelling of 9409013 in words is "nine million, four hundred nine thousand, thirteen".

Divisors: 1 2203 4271 9409013