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30064585 = 517577613
BaseRepresentation
bin111001010101…
…1111111001001
32002120102212011
41302223333021
530144031320
62552215521
7513354565
oct162537711
962512764
1030064585
1115a74a71
12a09a5a1
1362c84c5
143dc86a5
15298d05a
hex1cabfc9

30064585 has 16 divisors (see below), whose sum is σ = 38328336. Its totient is φ = 22560768.

The previous prime is 30064579. The next prime is 30064607. The reversal of 30064585 is 58546003.

It can be written as a sum of positive squares in 8 ways, for example, as 121801 + 29942784 = 349^2 + 5472^2 .

It is not a de Polignac number, because 30064585 - 23 = 30064577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48739 + ... + 49351.

It is an arithmetic number, because the mean of its divisors is an integer number (2395521).

Almost surely, 230064585 is an apocalyptic number.

It is an amenable number.

30064585 is a deficient number, since it is larger than the sum of its proper divisors (8263751).

30064585 is a wasteful number, since it uses less digits than its factorization.

30064585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 30064585 is about 5483.1181822025. The cubic root of 30064585 is about 310.9460692318.

The spelling of 30064585 in words is "thirty million, sixty-four thousand, five hundred eighty-five".

Divisors: 1 5 17 85 577 613 2885 3065 9809 10421 49045 52105 353701 1768505 6012917 30064585