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30946568 = 233868321
BaseRepresentation
bin111011000001…
…1010100001000
32011020020201012
41312003110020
530410242233
63023143052
7524020142
oct166032410
964206635
1030946568
1116517684
12a444a88
136546aa3
144177c92
152ab4548
hex1d83508

30946568 has 8 divisors (see below), whose sum is σ = 58024830. Its totient is φ = 15473280.

The previous prime is 30946529. The next prime is 30946571. The reversal of 30946568 is 86564903.

It can be written as a sum of positive squares in only one way, i.e., 17123044 + 13823524 = 4138^2 + 3718^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934153 + ... + 1934168.

Almost surely, 230946568 is an apocalyptic number.

It is an amenable number.

30946568 is a deficient number, since it is larger than the sum of its proper divisors (27078262).

30946568 is a wasteful number, since it uses less digits than its factorization.

30946568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868327 (or 3868323 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 30946568 is about 5562.9639581791. The cubic root of 30946568 is about 313.9574773039.

The spelling of 30946568 in words is "thirty million, nine hundred forty-six thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 3868321 7736642 15473284 30946568