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30308307 = 3412391031
BaseRepresentation
bin111001110011…
…1011111010011
32010000211011220
41303213133103
530224331212
63001340123
7515421261
oct163473723
963024156
1030308307
1116121097
12a197643
136382413
14404d431
1529da38c
hex1ce77d3

30308307 has 16 divisors (see below), whose sum is σ = 41610240. Its totient is φ = 19611200.

The previous prime is 30308303. The next prime is 30308323. The reversal of 30308307 is 70380303.

It is a cyclic number.

It is not a de Polignac number, because 30308307 - 22 = 30308303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30308303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28882 + ... + 29912.

It is an arithmetic number, because the mean of its divisors is an integer number (2600640).

Almost surely, 230308307 is an apocalyptic number.

30308307 is a deficient number, since it is larger than the sum of its proper divisors (11301933).

30308307 is a wasteful number, since it uses less digits than its factorization.

30308307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30308307 is about 5505.2980845727. The cubic root of 30308307 is about 311.7840488707.

The spelling of 30308307 in words is "thirty million, three hundred eight thousand, three hundred seven".

Divisors: 1 3 41 123 239 717 1031 3093 9799 29397 42271 126813 246409 739227 10102769 30308307