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308085836 = 22194053761
BaseRepresentation
bin10010010111010…
…000010001001100
3210110201101022112
4102113100101030
51112332221321
650323203152
710430454302
oct2227202114
9713641275
10308085836
111489a74a3
12872164b8
134ba9c316
142ccba272
151c0a9a5b
hex125d044c

308085836 has 12 divisors (see below), whose sum is σ = 567526680. Its totient is φ = 145935360.

The previous prime is 308085829. The next prime is 308085847. The reversal of 308085836 is 638580803.

It is a junction number, because it is equal to n+sod(n) for n = 308085793 and 308085802.

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 3 ways as a sum of consecutive naturals, for example, 2026805 + ... + 2026956.

It is an arithmetic number, because the mean of its divisors is an integer number (47293890).

Almost surely, 2308085836 is an apocalyptic number.

It is an amenable number.

308085836 is a deficient number, since it is larger than the sum of its proper divisors (259440844).

308085836 is a wasteful number, since it uses less digits than its factorization.

308085836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053784 (or 4053782 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 308085836 is about 17552.3740844366. The cubic root of 308085836 is about 675.3940714929.

The spelling of 308085836 in words is "three hundred eight million, eighty-five thousand, eight hundred thirty-six".

Divisors: 1 2 4 19 38 76 4053761 8107522 16215044 77021459 154042918 308085836