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30976912 = 241936057
BaseRepresentation
bin111011000101…
…0101110010000
32011021210100001
41312022232100
530412230122
63023535344
7524204461
oct166125620
964253301
1030976912
111653845a
12a45a554
136557845
144184d68
152abd527
hex1d8ab90

30976912 has 10 divisors (see below), whose sum is σ = 60017798. Its totient is φ = 15488448.

The previous prime is 30976903. The next prime is 30976921. The reversal of 30976912 is 21967903.

It is an interprime number because it is at equal distance from previous prime (30976903) and next prime (30976921).

It can be written as a sum of positive squares in only one way, i.e., 16353936 + 14622976 = 4044^2 + 3824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968013 + ... + 968044.

Almost surely, 230976912 is an apocalyptic number.

It is an amenable number.

30976912 is a deficient number, since it is larger than the sum of its proper divisors (29040886).

30976912 is a wasteful number, since it uses less digits than its factorization.

30976912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936065 (or 1936059 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 30976912 is about 5565.6906130327. The cubic root of 30976912 is about 314.0600585621.

Subtracting from 30976912 its reverse (21967903), we obtain a palindrome (9009009).

The spelling of 30976912 in words is "thirty million, nine hundred seventy-six thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 1936057 3872114 7744228 15488456 30976912