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30705303 = 328973533
BaseRepresentation
bin111010100100…
…0011010010111
32010202222202110
41311020122113
530330032203
63014042103
7521663556
oct165103227
963688673
1030705303
1116372392
12a349333
136491025
144113d9d
152a67d03
hex1d48697

30705303 has 8 divisors (see below), whose sum is σ = 40966128. Its totient is φ = 20457344.

The previous prime is 30705293. The next prime is 30705317. The reversal of 30705303 is 30350703.

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 30705303 - 216 = 30639767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30705303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30705343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6925 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (5120766).

Almost surely, 230705303 is an apocalyptic number.

30705303 is a deficient number, since it is larger than the sum of its proper divisors (10260825).

30705303 is a wasteful number, since it uses less digits than its factorization.

30705303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433.

The product of its (nonzero) digits is 945, while the sum is 21.

The square root of 30705303 is about 5541.2365948405. The cubic root of 30705303 is about 313.1394581792.

The spelling of 30705303 in words is "thirty million, seven hundred five thousand, three hundred three".

Divisors: 1 3 2897 3533 8691 10599 10235101 30705303