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30150666 = 23271379233
BaseRepresentation
bin111001100000…
…1000000001010
32002201210221100
41303001000022
530204310131
62554122230
7514163550
oct163010012
962653840
1030150666
1116023707
12a120376
136328740
14400bbd0
1529a87e6
hex1cc100a

30150666 has 96 divisors (see below), whose sum is σ = 81768960. Its totient is φ = 7817472.

The previous prime is 30150661. The next prime is 30150667. The reversal of 30150666 is 66605103.

It is not an unprimeable number, because it can be changed into a prime (30150661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129286 + ... + 129518.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 230150666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30150666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40884480).

30150666 is an abundant number, since it is smaller than the sum of its proper divisors (51618294).

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

30150666 is a wasteful number, since it uses less digits than its factorization.

30150666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30150666 is about 5490.9622107605. The cubic root of 30150666 is about 311.2425536516.

Adding to 30150666 its reverse (66605103), we get a palindrome (96755769).

The spelling of 30150666 in words is "thirty million, one hundred fifty thousand, six hundred sixty-six".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 79 91 117 126 158 182 233 234 237 273 466 474 546 553 699 711 819 1027 1106 1398 1422 1631 1638 1659 2054 2097 3029 3081 3262 3318 4194 4893 4977 6058 6162 7189 9087 9243 9786 9954 14378 14679 18174 18407 18486 21203 21567 27261 29358 36814 42406 43134 54522 55221 63609 64701 110442 127218 128849 129402 165663 190827 239291 257698 331326 381654 386547 478582 717873 773094 1159641 1435746 1675037 2153619 2319282 3350074 4307238 5025111 10050222 15075333 30150666