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30066218 = 271331732
BaseRepresentation
bin111001010110…
…0011000101010
32002120112002122
41302230120222
530144104333
62552231242
7513362420
oct162543052
962515078
1030066218
1115a76216
12a09b522
1362c9180
143dc9110
15298d798
hex1cac62a

30066218 has 48 divisors (see below), whose sum is σ = 58093056. Its totient is φ = 11352960.

The previous prime is 30066209. The next prime is 30066241. The reversal of 30066218 is 81266003.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411830 + ... + 411902.

It is an arithmetic number, because the mean of its divisors is an integer number (1210272).

Almost surely, 230066218 is an apocalyptic number.

30066218 is a deficient number, since it is larger than the sum of its proper divisors (28026838).

30066218 is a wasteful number, since it uses less digits than its factorization.

30066218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30066218 is about 5483.2670917985. The cubic root of 30066218 is about 310.9516989535.

The spelling of 30066218 in words is "thirty million, sixty-six thousand, two hundred eighteen".

Divisors: 1 2 7 13 14 26 31 62 73 91 146 182 217 403 434 511 806 949 1022 1898 2263 2821 4526 5329 5642 6643 10658 13286 15841 29419 31682 37303 58838 69277 74606 138554 165199 205933 330398 411866 484939 969878 1156393 2147587 2312786 4295174 15033109 30066218