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30675258 = 2321704181
BaseRepresentation
bin111010100000…
…1000100111010
32010201110112200
41311001010322
530323102013
63013251030
7521510145
oct165010472
963643480
1030675258
1116351859
12a333a76
136480453
14410705c
152a5de73
hex1d4113a

30675258 has 12 divisors (see below), whose sum is σ = 66463098. Its totient is φ = 10225080.

The previous prime is 30675251. The next prime is 30675269. The reversal of 30675258 is 85257603.

It can be written as a sum of positive squares in only one way, i.e., 16136289 + 14538969 = 4017^2 + 3813^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30675251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852073 + ... + 852108.

Almost surely, 230675258 is an apocalyptic number.

30675258 is an abundant number, since it is smaller than the sum of its proper divisors (35787840).

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

30675258 is a wasteful number, since it uses less digits than its factorization.

30675258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704189 (or 1704186 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 30675258 is about 5538.5248938684. The cubic root of 30675258 is about 313.0372896673.

The spelling of 30675258 in words is "thirty million, six hundred seventy-five thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 1704181 3408362 5112543 10225086 15337629 30675258