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307282030 = 251159113419
BaseRepresentation
bin10010010100001…
…100000001101110
3210102012112200221
4102110030001232
51112131011110
650254041554
710420565656
oct2224140156
9712175627
10307282030
111484a85a0
1286aa92ba
134b87a4b3
142cb4b366
151be9b7da
hex1250c06e

307282030 has 64 divisors (see below), whose sum is σ = 620524800. Its totient is φ = 108613120.

The previous prime is 307282007. The next prime is 307282051. The reversal of 307282030 is 30282703.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 307281986 and 307282004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733161 + ... + 733579.

It is an arithmetic number, because the mean of its divisors is an integer number (9695700).

Almost surely, 2307282030 is an apocalyptic number.

307282030 is an abundant number, since it is smaller than the sum of its proper divisors (313242770).

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

307282030 is a wasteful number, since it uses less digits than its factorization.

307282030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 307282030 is about 17529.4617715434. The cubic root of 307282030 is about 674.8061848666.

The spelling of 307282030 in words is "three hundred seven million, two hundred eighty-two thousand, thirty".

Divisors: 1 2 5 10 11 22 55 59 110 113 118 226 295 419 565 590 649 838 1130 1243 1298 2095 2486 3245 4190 4609 6215 6490 6667 9218 12430 13334 23045 24721 33335 46090 47347 49442 66670 73337 94694 123605 146674 236735 247210 271931 366685 473470 520817 543862 733370 1041634 1359655 2604085 2719310 2793473 5208170 5586946 13967365 27934730 30728203 61456406 153641015 307282030