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30317163 = 331417951
BaseRepresentation
bin111001110100…
…1101001101011
32010001021022220
41303221221223
530230122123
63001445123
7515456142
oct163515153
963037286
1030317163
1116127808
12a1a07a3
136386466
144052759
1529dcce3
hex1ce9a6b

30317163 has 16 divisors (see below), whose sum is σ = 42749952. Its totient is φ = 19080000.

The previous prime is 30317153. The next prime is 30317201. The reversal of 30317163 is 36171303.

It is a de Polignac number, because none of the positive numbers 2k-30317163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30317143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (2671872).

Almost surely, 230317163 is an apocalyptic number.

30317163 is a deficient number, since it is larger than the sum of its proper divisors (12432789).

30317163 is a wasteful number, since it uses less digits than its factorization.

30317163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 30317163 is about 5506.1023419475. The cubic root of 30317163 is about 311.8144133804.

Adding to 30317163 its reverse (36171303), we get a palindrome (66488466).

The spelling of 30317163 in words is "thirty million, three hundred seventeen thousand, one hundred sixty-three".

Divisors: 1 3 31 41 93 123 1271 3813 7951 23853 246481 325991 739443 977973 10105721 30317163