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30044747 = 592412113
BaseRepresentation
bin111001010011…
…1001001001011
32002112102122102
41302213021023
530142412442
62551544015
7513243005
oct162471113
962472572
1030044747
1115a61077
12a08b00b
1362bc475
143dc1375
152987232
hex1ca724b

30044747 has 8 divisors (see below), whose sum is σ = 30695280. Its totient is φ = 29399040.

The previous prime is 30044741. The next prime is 30044761. The reversal of 30044747 is 74744003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30044747 - 212 = 30040651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30044741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13163 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (3836910).

Almost surely, 230044747 is an apocalyptic number.

30044747 is a deficient number, since it is larger than the sum of its proper divisors (650533).

30044747 is a wasteful number, since it uses less digits than its factorization.

30044747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 30044747 is about 5481.3088765367. The cubic root of 30044747 is about 310.8776619969.

The spelling of 30044747 in words is "thirty million, forty-four thousand, seven hundred forty-seven".

Divisors: 1 59 241 2113 14219 124667 509233 30044747