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30470032 = 242382799
BaseRepresentation
bin111010000111…
…0111110010000
32010100001000201
41310032332100
530300020112
63005024544
7516663625
oct164167620
963301021
1030470032
111622164a
12a255154
13640ac08
14409234c
152a1d257
hex1d0ef90

30470032 has 20 divisors (see below), whose sum is σ = 61603200. Its totient is φ = 14572448.

The previous prime is 30470023. The next prime is 30470131. The reversal of 30470032 is 23007403.

It is a junction number, because it is equal to n+sod(n) for n = 30469991 and 30470009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41032 + ... + 41767.

It is an arithmetic number, because the mean of its divisors is an integer number (3080160).

Almost surely, 230470032 is an apocalyptic number.

It is an amenable number.

30470032 is an abundant number, since it is smaller than the sum of its proper divisors (31133168).

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

30470032 is a wasteful number, since it uses less digits than its factorization.

30470032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82830 (or 82824 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30470032 is about 5519.9666665660. The cubic root of 30470032 is about 312.3376248711.

Adding to 30470032 its reverse (23007403), we get a palindrome (53477435).

The spelling of 30470032 in words is "thirty million, four hundred seventy thousand, thirty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 82799 165598 331196 662392 1324784 1904377 3808754 7617508 15235016 30470032