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30928114 = 272315593
BaseRepresentation
bin111010111111…
…0110011110010
32011012022101201
41311332303302
530404144424
63022521414
7523612300
oct165766362
964168351
1030928114
1116504828
12a43626a
13653b579
144171270
152aadd44
hex1d7ecf2

30928114 has 12 divisors (see below), whose sum is σ = 53966574. Its totient is φ = 13254864.

The previous prime is 30928103. The next prime is 30928127. The reversal of 30928114 is 41182903.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 8602489 = 4725^2 + 2933^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 157699 + ... + 157894.

Almost surely, 230928114 is an apocalyptic number.

30928114 is a deficient number, since it is larger than the sum of its proper divisors (23038460).

30928114 is a wasteful number, since it uses less digits than its factorization.

30928114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315609 (or 315602 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 30928114 is about 5561.3050626629. The cubic root of 30928114 is about 313.8950587151.

The spelling of 30928114 in words is "thirty million, nine hundred twenty-eight thousand, one hundred fourteen".

Divisors: 1 2 7 14 49 98 315593 631186 2209151 4418302 15464057 30928114