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16830307 = 131294639
BaseRepresentation
bin100000000110…
…0111101100011
31011200001211201
41000030331203
513302032212
61400422031
7263024644
oct100147543
934601751
1016830307
11955594a
125777917
133643780
1423416cb
151726b57
hex100cf63

16830307 has 4 divisors (see below), whose sum is σ = 18124960. Its totient is φ = 15535656.

The previous prime is 16830287. The next prime is 16830311. The reversal of 16830307 is 70303861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70303861 = 179392759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16830307 is a prime.

It is a super-3 number, since 3×168303073 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16830367) 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, 647307 + ... + 647332.

It is an arithmetic number, because the mean of its divisors is an integer number (4531240).

Almost surely, 216830307 is an apocalyptic number.

16830307 is a deficient number, since it is larger than the sum of its proper divisors (1294653).

16830307 is a wasteful number, since it uses less digits than its factorization.

16830307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294652.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16830307 is about 4102.4757159549. The cubic root of 16830307 is about 256.2697504507.

The spelling of 16830307 in words is "sixteen million, eight hundred thirty thousand, three hundred seven".

Divisors: 1 13 1294639 16830307