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30966030 = 2335114689
BaseRepresentation
bin111011000100…
…0000100001110
32011021020102000
41312020010032
530411403110
63023413130
7524130654
oct166100416
964236360
1030966030
1116530267
12a4541a6
1365528c4
144180dd4
152aba1c0
hex1d8810e

30966030 has 32 divisors (see below), whose sum is σ = 82576800. Its totient is φ = 8257536.

The previous prime is 30966017. The next prime is 30966031. The reversal of 30966030 is 3066903.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30965985 and 30966003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30966031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57075 + ... + 57614.

It is an arithmetic number, because the mean of its divisors is an integer number (2580525).

Almost surely, 230966030 is an apocalyptic number.

30966030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30966030 is an abundant number, since it is smaller than the sum of its proper divisors (51610770).

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

30966030 is a wasteful number, since it uses less digits than its factorization.

30966030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114705 (or 114699 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 30966030 is about 5564.7129306012. The cubic root of 30966030 is about 314.0232784614.

The spelling of 30966030 in words is "thirty million, nine hundred sixty-six thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 114689 229378 344067 573445 688134 1032201 1146890 1720335 2064402 3096603 3440670 5161005 6193206 10322010 15483015 30966030