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345668800 = 2652375839
BaseRepresentation
bin10100100110100…
…111110011000000
3220002102210110011
4110212213303000
51201442400200
654144514304
711365064521
oct2446476300
9802383404
10345668800
111681370a4
129791b994
13567ca969
1433ca0848
15205305ba
hex149a7cc0

345668800 has 84 divisors (see below), whose sum is σ = 873699040. Its totient is φ = 134507520.

The previous prime is 345668773. The next prime is 345668831. The reversal of 345668800 is 8866543.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56281 + ... + 62119.

Almost surely, 2345668800 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 345668800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436849520).

345668800 is an abundant number, since it is smaller than the sum of its proper divisors (528030240).

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

345668800 is a wasteful number, since it uses less digits than its factorization.

345668800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 345668800 is about 18592.1703950884. The cubic root of 345668800 is about 701.8108217712.

The spelling of 345668800 in words is "three hundred forty-five million, six hundred sixty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 148 160 185 200 296 320 370 400 592 740 800 925 1184 1480 1600 1850 2368 2960 3700 5839 5920 7400 11678 11840 14800 23356 29195 29600 46712 58390 59200 93424 116780 145975 186848 216043 233560 291950 373696 432086 467120 583900 864172 934240 1080215 1167800 1728344 1868480 2160430 2335600 3456688 4320860 4671200 5401075 6913376 8641720 9342400 10802150 13826752 17283440 21604300 34566880 43208600 69133760 86417200 172834400 345668800