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30045264 = 243625943
BaseRepresentation
bin111001010011…
…1010001010000
32002112110100120
41302213101100
530142422024
62551550240
7513244344
oct162472120
962473316
1030045264
1115a614a7
12a08b380
1362bc782
143dc1624
152987479
hex1ca7450

30045264 has 20 divisors (see below), whose sum is σ = 77617056. Its totient is φ = 10015072.

The previous prime is 30045263. The next prime is 30045269. The reversal of 30045264 is 46254003.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045263) 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 3 ways as a sum of consecutive naturals, for example, 312924 + ... + 313019.

Almost surely, 230045264 is an apocalyptic number.

It is an amenable number.

30045264 is an abundant number, since it is smaller than the sum of its proper divisors (47571792).

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

30045264 is a wasteful number, since it uses less digits than its factorization.

30045264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625954 (or 625948 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 30045264 is about 5481.3560366026. The cubic root of 30045264 is about 310.8794451464.

Adding to 30045264 its reverse (46254003), we get a palindrome (76299267).

The spelling of 30045264 in words is "thirty million, forty-five thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 625943 1251886 1877829 2503772 3755658 5007544 7511316 10015088 15022632 30045264