Search a number
-
+
30166144 = 27235673
BaseRepresentation
bin111001100010…
…0110010000000
32002202121011121
41303010302000
530210304034
62554322024
7514256641
oct163046200
962677147
1030166144
11160342a8
12a129314
1363327b8
1440136c8
1529ad1b4
hex1cc4c80

30166144 has 16 divisors (see below), whose sum is σ = 60096870. Its totient is φ = 15083008.

The previous prime is 30166139. The next prime is 30166153. The reversal of 30166144 is 44166103.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 4359744 = 5080^2 + 2088^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117709 + ... + 117964.

Almost surely, 230166144 is an apocalyptic number.

It is an amenable number.

30166144 is a deficient number, since it is larger than the sum of its proper divisors (29930726).

30166144 is an equidigital number, since it uses as much as digits as its factorization.

30166144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235687 (or 235675 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30166144 is about 5492.3714368203. The cubic root of 30166144 is about 311.2958038643.

The spelling of 30166144 in words is "thirty million, one hundred sixty-six thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 235673 471346 942692 1885384 3770768 7541536 15083072 30166144