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3073513 = 23133631
BaseRepresentation
bin1011101110010111101001
312210011001211
423232113221
51241323023
6145513121
735060452
oct13562751
95704054
103073513
11180a1a3
1210427a1
13837c61
145a0129
1540aa0d
hex2ee5e9

3073513 has 4 divisors (see below), whose sum is σ = 3207168. Its totient is φ = 2939860.

The previous prime is 3073493. The next prime is 3073517. The reversal of 3073513 is 3153703.

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: 3153703 = 7450529.

It is not a de Polignac number, because 3073513 - 217 = 2942441 is a prime.

It is a super-2 number, since 2×30735132 = 18892964322338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3073517) 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, 66793 + ... + 66838.

It is an arithmetic number, because the mean of its divisors is an integer number (801792).

Almost surely, 23073513 is an apocalyptic number.

It is an amenable number.

3073513 is a deficient number, since it is larger than the sum of its proper divisors (133655).

3073513 is a wasteful number, since it uses less digits than its factorization.

3073513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133654.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 3073513 is about 1753.1437476716. The cubic root of 3073513 is about 145.3935089910.

The spelling of 3073513 in words is "three million, seventy-three thousand, five hundred thirteen".

Divisors: 1 23 133631 3073513