Search a number
-
+
312050000 = 2455792
BaseRepresentation
bin10010100110011…
…000000101010000
3210202011210010102
4102212120011100
51114341100000
650544151532
710506244523
oct2246300520
9722153112
10312050000
11150164869
12886085a8
134c859792
142d62cbba
151c5de3d5
hex12998150

312050000 has 90 divisors (see below), whose sum is σ = 765384606. Its totient is φ = 123240000.

The previous prime is 312049987. The next prime is 312050027. The reversal of 312050000 is 50213.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 144192064 + 167857936 = 12008^2 + 12956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3949961 + ... + 3950039.

Almost surely, 2312050000 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 312050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382692303).

312050000 is an abundant number, since it is smaller than the sum of its proper divisors (453334606).

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

312050000 is an frugal number, since it uses more digits than its factorization.

312050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 312050000 is about 17664.9370222483. The cubic root of 312050000 is about 678.2785175591.

The spelling of 312050000 in words is "three hundred twelve million, fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 79 80 100 125 158 200 250 316 395 400 500 625 632 790 1000 1250 1264 1580 1975 2000 2500 3125 3160 3950 5000 6241 6250 6320 7900 9875 10000 12482 12500 15800 19750 24964 25000 31205 31600 39500 49375 49928 50000 62410 79000 98750 99856 124820 156025 158000 197500 246875 249640 312050 395000 493750 499280 624100 780125 790000 987500 1248200 1560250 1975000 2496400 3120500 3900625 3950000 6241000 7801250 12482000 15602500 19503125 31205000 39006250 62410000 78012500 156025000 312050000