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308056000 = 265375501
BaseRepresentation
bin10010010111001…
…000111111000000
3210110122212101111
4102113020333000
51112330243000
650322413104
710430301310
oct2227107700
9713585344
10308056000
1114898703a
1287201194
134ba8b875
142ccad440
151c0a0cba
hex125c8fc0

308056000 has 112 divisors (see below), whose sum is σ = 872044992. Its totient is φ = 105600000.

The previous prime is 308055989. The next prime is 308056003. The reversal of 308056000 is 650803.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308056003) 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 15 ways as a sum of consecutive naturals, for example, 53250 + ... + 58750.

It is an arithmetic number, because the mean of its divisors is an integer number (7786116).

Almost surely, 2308056000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308056000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436022496).

308056000 is an abundant number, since it is smaller than the sum of its proper divisors (563988992).

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

308056000 is an equidigital number, since it uses as much as digits as its factorization.

308056000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5515 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 308056000 is about 17551.5241503409. The cubic root of 308056000 is about 675.3722683613.

The spelling of 308056000 in words is "three hundred eight million, fifty-six thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 140 160 175 200 224 250 280 320 350 400 448 500 560 700 800 875 1000 1120 1400 1600 1750 2000 2240 2800 3500 4000 5501 5600 7000 8000 11002 11200 14000 22004 27505 28000 38507 44008 55010 56000 77014 88016 110020 137525 154028 176032 192535 220040 275050 308056 352064 385070 440080 550100 616112 687625 770140 880160 962675 1100200 1232224 1375250 1540280 1760320 1925350 2200400 2464448 2750500 3080560 3850700 4400800 4813375 5501000 6161120 7701400 8801600 9626750 11002000 12322240 15402800 19253500 22004000 30805600 38507000 44008000 61611200 77014000 154028000 308056000