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30030317 = 199471669
BaseRepresentation
bin111001010001…
…1100111101101
32002111200211222
41302203213231
530141432232
62551353125
7513152642
oct162434755
962450758
1030030317
1115a51249
12a0827a5
1362b5a25
143db9dc9
152982d12
hex1ca39ed

30030317 has 8 divisors (see below), whose sum is σ = 31663200. Its totient is φ = 28402704.

The previous prime is 30030311. The next prime is 30030331. The reversal of 30030317 is 71303003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30030317 - 28 = 30030061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30030295 and 30030304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17159 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (3957900).

Almost surely, 230030317 is an apocalyptic number.

It is an amenable number.

30030317 is a deficient number, since it is larger than the sum of its proper divisors (1632883).

30030317 is a wasteful number, since it uses less digits than its factorization.

30030317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 30030317 is about 5479.9924270021. The cubic root of 30030317 is about 310.8278842101.

The spelling of 30030317 in words is "thirty million, thirty thousand, three hundred seventeen".

Divisors: 1 19 947 1669 17993 31711 1580543 30030317