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30493060 = 22513117281
BaseRepresentation
bin111010001010…
…0100110000100
32010101012121121
41310110212010
530301234220
63005323324
7520121023
oct164244604
963335547
1030493060
1116237984
12a266544
136418540
14409a8ba
152a24eaa
hex1d14984

30493060 has 24 divisors (see below), whose sum is σ = 68961816. Its totient is φ = 11258880.

The previous prime is 30493051. The next prime is 30493093. The reversal of 30493060 is 6039403.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 25887744 = 2146^2 + 5088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58381 + ... + 58900.

It is an arithmetic number, because the mean of its divisors is an integer number (2873409).

Almost surely, 230493060 is an apocalyptic number.

It is an amenable number.

30493060 is an abundant number, since it is smaller than the sum of its proper divisors (38468756).

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

30493060 is a wasteful number, since it uses less digits than its factorization.

30493060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117303 (or 117301 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30493060 is about 5522.0521547700. The cubic root of 30493060 is about 312.4162890446.

The spelling of 30493060 in words is "thirty million, four hundred ninety-three thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 117281 234562 469124 586405 1172810 1524653 2345620 3049306 6098612 7623265 15246530 30493060