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30502107 = 324772109
BaseRepresentation
bin111010001011…
…0110011011011
32010101200000200
41310112303123
530302031412
63005433243
7520156266
oct164266333
963350020
1030502107
1116243759
12a26b823
13641c6ac
14409dcdd
152a279dc
hex1d16cdb

30502107 has 12 divisors (see below), whose sum is σ = 44996640. Its totient is φ = 19901808.

The previous prime is 30502103. The next prime is 30502133. The reversal of 30502107 is 70120503.

It is not a de Polignac number, because 30502107 - 22 = 30502103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30502107.

It is not an unprimeable number, because it can be changed into a prime (30502103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35632 + ... + 36477.

It is an arithmetic number, because the mean of its divisors is an integer number (3749720).

Almost surely, 230502107 is an apocalyptic number.

30502107 is a deficient number, since it is larger than the sum of its proper divisors (14494533).

30502107 is a wasteful number, since it uses less digits than its factorization.

30502107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72162 (or 72159 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 30502107 is about 5522.8712641162. The cubic root of 30502107 is about 312.4471829670.

The spelling of 30502107 in words is "thirty million, five hundred two thousand, one hundred seven".

Divisors: 1 3 9 47 141 423 72109 216327 648981 3389123 10167369 30502107