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313780000 = 255429541
BaseRepresentation
bin10010101100111…
…110011100100000
3210212102200020111
4102230332130200
51120311430000
651045221104
710530041332
oct2254763440
9725380214
10313780000
11151136616
1289101794
1350014051
142d95d452
151c831cba
hex12b3e720

313780000 has 120 divisors (see below), whose sum is σ = 800040780. Its totient is φ = 120960000.

The previous prime is 313779959. The next prime is 313780013. The reversal of 313780000 is 87313.

313780000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 31674384 + 282105616 = 5628^2 + 16796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 579730 + ... + 580270.

Almost surely, 2313780000 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 313780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400020390).

313780000 is an abundant number, since it is smaller than the sum of its proper divisors (486260780).

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

313780000 is an equidigital number, since it uses as much as digits as its factorization.

313780000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 313780000 is about 17713.8363998316. The cubic root of 313780000 is about 679.5296632223.

The spelling of 313780000 in words is "three hundred thirteen million, seven hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 125 145 160 200 232 250 290 400 464 500 541 580 625 725 800 928 1000 1082 1160 1250 1450 2000 2164 2320 2500 2705 2900 3625 4000 4328 4640 5000 5410 5800 7250 8656 10000 10820 11600 13525 14500 15689 17312 18125 20000 21640 23200 27050 29000 31378 36250 43280 54100 58000 62756 67625 72500 78445 86560 108200 116000 125512 135250 145000 156890 216400 251024 270500 290000 313780 338125 392225 432800 502048 541000 580000 627560 676250 784450 1082000 1255120 1352500 1568900 1961125 2164000 2510240 2705000 3137800 3922250 5410000 6275600 7844500 9805625 10820000 12551200 15689000 19611250 31378000 39222500 62756000 78445000 156890000 313780000