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30045204 = 22327119227
BaseRepresentation
bin111001010011…
…1010000010100
32002112110021100
41302213100110
530142421304
62551550100
7513244230
oct162472024
962473240
1030045204
1115a61452
12a08b330
1362bc737
143dc15c0
152987439
hex1ca7414

30045204 has 36 divisors (see below), whose sum is σ = 86797984. Its totient is φ = 8584272.

The previous prime is 30045181. The next prime is 30045209. The reversal of 30045204 is 40254003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045209) 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 11 ways as a sum of consecutive naturals, for example, 59362 + ... + 59865.

Almost surely, 230045204 is an apocalyptic number.

It is an amenable number.

30045204 is an abundant number, since it is smaller than the sum of its proper divisors (56752780).

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

30045204 is a wasteful number, since it uses less digits than its factorization.

30045204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119244 (or 119239 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30045204 is about 5481.3505635017. The cubic root of 30045204 is about 310.8792382056.

Adding to 30045204 its reverse (40254003), we get a palindrome (70299207).

The spelling of 30045204 in words is "thirty million, forty-five thousand, two hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 119227 238454 357681 476908 715362 834589 1073043 1430724 1669178 2146086 2503767 3338356 4292172 5007534 7511301 10015068 15022602 30045204