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30106568 = 233763321
BaseRepresentation
bin111001011011…
…0001111001000
32002122120110002
41302312033020
530201402233
62553142132
7513621152
oct162661710
962576402
1030106568
1115aa3568
12a0ba948
13631164b
143dd9ad2
15299a6e8
hex1cb63c8

30106568 has 8 divisors (see below), whose sum is σ = 56449830. Its totient is φ = 15053280.

The previous prime is 30106543. The next prime is 30106603. The reversal of 30106568 is 86560103.

It can be written as a sum of positive squares in only one way, i.e., 15984004 + 14122564 = 3998^2 + 3758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30106568.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1881653 + ... + 1881668.

Almost surely, 230106568 is an apocalyptic number.

It is an amenable number.

30106568 is a deficient number, since it is larger than the sum of its proper divisors (26343262).

30106568 is a wasteful number, since it uses less digits than its factorization.

30106568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763327 (or 3763323 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30106568 is about 5486.9452339166. The cubic root of 30106568 is about 311.0907397470.

The spelling of 30106568 in words is "thirty million, one hundred six thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 3763321 7526642 15053284 30106568