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3006406493 = 17916795567
BaseRepresentation
bin1011001100110010…
…0001111101011101
321202112002021101122
42303030201331131
522124120001433
61214153420325
7134334014336
oct26314417535
97675067348
103006406493
111303046772
126baa0a6a5
1338bb1856c
142073d328d
15128e0c198
hexb3321f5d

3006406493 has 4 divisors (see below), whose sum is σ = 3023202240. Its totient is φ = 2989610748.

The previous prime is 3006406433. The next prime is 3006406511. The reversal of 3006406493 is 3946046003.

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 an emirpimes, since its reverse is a distinct semiprime: 3946046003 = 6758896209.

It is a cyclic number.

It is not a de Polignac number, because 3006406493 - 28 = 3006406237 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 (3006406433) 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, 8397605 + ... + 8397962.

It is an arithmetic number, because the mean of its divisors is an integer number (755800560).

Almost surely, 23006406493 is an apocalyptic number.

It is an amenable number.

3006406493 is a deficient number, since it is larger than the sum of its proper divisors (16795747).

3006406493 is a wasteful number, since it uses less digits than its factorization.

3006406493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795746.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 3006406493 is about 54830.7075734027. The cubic root of 3006406493 is about 1443.2754805746.

The spelling of 3006406493 in words is "three billion, six million, four hundred six thousand, four hundred ninety-three".

Divisors: 1 179 16795567 3006406493