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30016147 = 74288021
BaseRepresentation
bin111001010000…
…0001010010011
32002110222102011
41302200022103
530141004042
62551203351
7513063430
oct162401223
962428364
1030016147
1115a41637
12a076557
1362ac445
143db4b87
15297da17
hex1ca0293

30016147 has 4 divisors (see below), whose sum is σ = 34304176. Its totient is φ = 25728120.

The previous prime is 30016121. The next prime is 30016159. The reversal of 30016147 is 74161003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30016147 - 211 = 30014099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30016177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144004 + ... + 2144017.

It is an arithmetic number, because the mean of its divisors is an integer number (8576044).

Almost surely, 230016147 is an apocalyptic number.

30016147 is a deficient number, since it is larger than the sum of its proper divisors (4288029).

30016147 is an equidigital number, since it uses as much as digits as its factorization.

30016147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288028.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30016147 is about 5478.6993894537. The cubic root of 30016147 is about 310.7789878003.

The spelling of 30016147 in words is "thirty million, sixteen thousand, one hundred forty-seven".

Divisors: 1 7 4288021 30016147