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30032804 = 227508201
BaseRepresentation
bin111001010010…
…0001110100100
32002111211021002
41302210032210
530142022204
62551412432
7513163124
oct162441644
962454232
1030032804
1115a530aa
12a084118
1362b6bb9
143dbac84
15298391e
hex1ca43a4

30032804 has 6 divisors (see below), whose sum is σ = 52557414. Its totient is φ = 15016400.

The previous prime is 30032771. The next prime is 30032813. The reversal of 30032804 is 40823003.

It can be written as a sum of positive squares in only one way, i.e., 18472804 + 11560000 = 4298^2 + 3400^2 .

It is a super-2 number, since 2×300328042 = 1803938632204832, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3754097 + ... + 3754104.

It is an arithmetic number, because the mean of its divisors is an integer number (8759569).

Almost surely, 230032804 is an apocalyptic number.

It is an amenable number.

30032804 is a deficient number, since it is larger than the sum of its proper divisors (22524610).

30032804 is a wasteful number, since it uses less digits than its factorization.

30032804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508205 (or 7508203 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30032804 is about 5480.2193386761. The cubic root of 30032804 is about 310.8364645126.

Adding to 30032804 its reverse (40823003), we get a palindrome (70855807).

The spelling of 30032804 in words is "thirty million, thirty-two thousand, eight hundred four".

Divisors: 1 2 4 7508201 15016402 30032804