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3004997 = 10332909
BaseRepresentation
bin1011011101101001000101
312122200002012
423131221011
51232124442
6144224005
734353632
oct13355105
95580065
103004997
111772776
12100b005
13812a08
14583189
153e5582
hex2dda45

3004997 has 4 divisors (see below), whose sum is σ = 3008940. Its totient is φ = 3001056.

The previous prime is 3004993. The next prime is 3005011. The reversal of 3004997 is 7994003.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7994003 = 19420737.

It can be written as a sum of positive squares in 2 ways, for example, as 2775556 + 229441 = 1666^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 3004997 - 22 = 3004993 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 (3004993) 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, 422 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (752235).

Almost surely, 23004997 is an apocalyptic number.

It is an amenable number.

3004997 is a deficient number, since it is larger than the sum of its proper divisors (3943).

3004997 is a wasteful number, since it uses less digits than its factorization.

3004997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3004997 is about 1733.4927170311. The cubic root of 3004997 is about 144.3049895125.

The spelling of 3004997 in words is "three million, four thousand, nine hundred ninety-seven".

Divisors: 1 1033 2909 3004997