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308876630 = 25227136069
BaseRepresentation
bin10010011010010…
…001010101010110
3210112012120002012
4102122101111112
51113033023010
650352144222
710440256646
oct2232212526
9715176065
10308876630
11149397647
1287538072
134bcb824a
142d044526
151c1b4005
hex12691556

308876630 has 16 divisors (see below), whose sum is σ = 558431280. Its totient is φ = 123005472.

The previous prime is 308876627. The next prime is 308876639. The reversal of 308876630 is 36678803.

308876630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308876639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65765 + ... + 70304.

It is an arithmetic number, because the mean of its divisors is an integer number (34901955).

Almost surely, 2308876630 is an apocalyptic number.

308876630 is a deficient number, since it is larger than the sum of its proper divisors (249554650).

308876630 is a wasteful number, since it uses less digits than its factorization.

308876630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136303.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 308876630 is about 17574.8863438715. The cubic root of 308876630 is about 675.9714444131.

The spelling of 308876630 in words is "three hundred eight million, eight hundred seventy-six thousand, six hundred thirty".

Divisors: 1 2 5 10 227 454 1135 2270 136069 272138 680345 1360690 30887663 61775326 154438315 308876630