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30066246 = 2327192661
BaseRepresentation
bin111001010110…
…0011001000110
32002120112010200
41302230121012
530144104441
62552231330
7513362460
oct162543106
962515120
1030066246
1115a76241
12a09b546
1362c91a2
143dc9130
15298d7b6
hex1cac646

30066246 has 72 divisors (see below), whose sum is σ = 78693264. Its totient is φ = 8125920.

The previous prime is 30066241. The next prime is 30066259. The reversal of 30066246 is 64266003.

30066246 is a `hidden beast` number, since 30 + 0 + 6 + 624 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30066241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45156 + ... + 45816.

It is an arithmetic number, because the mean of its divisors is an integer number (1092962).

Almost surely, 230066246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30066246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39346632).

30066246 is an abundant number, since it is smaller than the sum of its proper divisors (48627018).

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

30066246 is a wasteful number, since it uses less digits than its factorization.

30066246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30066246 is about 5483.2696450202. The cubic root of 30066246 is about 310.9517954809.

The spelling of 30066246 in words is "thirty million, sixty-six thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 266 342 361 399 661 722 798 1083 1197 1322 1983 2166 2394 2527 3249 3966 4627 5054 5949 6498 7581 9254 11898 12559 13881 15162 22743 25118 27762 37677 41643 45486 75354 83286 87913 113031 175826 226062 238621 263739 477242 527478 715863 791217 1431726 1582434 1670347 2147589 3340694 4295178 5011041 10022082 15033123 30066246