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30969460 = 2254336011
BaseRepresentation
bin111011000100…
…0111001110100
32011021102010001
41312020321310
530412010320
63023441044
7524143654
oct166107164
964242101
1030969460
11165328a5
12a456184
136554332
144182364
152abb20a
hex1d88e74

30969460 has 24 divisors (see below), whose sum is σ = 66550176. Its totient is φ = 12099360.

The previous prime is 30969451. The next prime is 30969467. The reversal of 30969460 is 6496903.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30969467) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 17146 + ... + 18865.

It is an arithmetic number, because the mean of its divisors is an integer number (2772924).

Almost surely, 230969460 is an apocalyptic number.

It is an amenable number.

30969460 is an abundant number, since it is smaller than the sum of its proper divisors (35580716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30969460 is a wasteful number, since it uses less digits than its factorization.

30969460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36063 (or 36061 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 30969460 is about 5565.0211140660. The cubic root of 30969460 is about 314.0348724573.

The spelling of 30969460 in words is "thirty million, nine hundred sixty-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 36011 72022 144044 180055 360110 720220 1548473 3096946 6193892 7742365 15484730 30969460