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30066060 = 22352321787
BaseRepresentation
bin111001010110…
…0010110001100
32002120111212210
41302230112030
530144103220
62552230420
7513362103
oct162542614
962514783
1030066060
1115a76092
12a09b410
1362c908b
143dc903a
15298d6e0
hex1cac58c

30066060 has 48 divisors (see below), whose sum is σ = 87849216. Its totient is φ = 7668672.

The previous prime is 30066059. The next prime is 30066061. The reversal of 30066060 is 6066003.

It is an interprime number because it is at equal distance from previous prime (30066059) and next prime (30066061).

It is not an unprimeable number, because it can be changed into a prime (30066061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9514 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (1830192).

Almost surely, 230066060 is an apocalyptic number.

30066060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30066060 is an abundant number, since it is smaller than the sum of its proper divisors (57783156).

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

30066060 is a wasteful number, since it uses less digits than its factorization.

30066060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21822 (or 21820 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30066060 is about 5483.2526843107. The cubic root of 30066060 is about 310.9511542618.

The spelling of 30066060 in words is "thirty million, sixty-six thousand, sixty", and thus it is an eban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 21787 43574 65361 87148 108935 130722 217870 261444 326805 435740 501101 653610 1002202 1307220 1503303 2004404 2505505 3006606 5011010 6013212 7516515 10022020 15033030 30066060