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308006386 = 22315674273
BaseRepresentation
bin10010010110111…
…100110111110010
3210110120100022221
4102112330313302
51112322201021
650321351254
710430003542
oct2226746762
9713510287
10308006386
11148952836
128719852a
134ba720cc
142cc99322
151c091241
hex125bcdf2

308006386 has 16 divisors (see below), whose sum is σ = 482517504. Its totient is φ = 147178944.

The previous prime is 308006383. The next prime is 308006411. The reversal of 308006386 is 683600803.

308006386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (308006381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69946 + ... + 74218.

It is an arithmetic number, because the mean of its divisors is an integer number (30157344).

Almost surely, 2308006386 is an apocalyptic number.

308006386 is a deficient number, since it is larger than the sum of its proper divisors (174511118).

308006386 is a wasteful number, since it uses less digits than its factorization.

308006386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 308006386 is about 17550.1107119015. The cubic root of 308006386 is about 675.3360090245.

The spelling of 308006386 in words is "three hundred eight million, six thousand, three hundred eighty-six".

Divisors: 1 2 23 46 1567 3134 4273 8546 36041 72082 98279 196558 6695791 13391582 154003193 308006386