Search a number
-
+
303230120 = 23519894483
BaseRepresentation
bin10010000100101…
…110110010101000
3210010120200112012
4102010232302220
51110111330440
650031135052
710341261554
oct2204566250
9703520465
10303230120
11146190306
1285674488
134aa8c10b
142c3b4864
151b94ae65
hex1212eca8

303230120 has 64 divisors (see below), whose sum is σ = 726408000. Its totient is φ = 113591808.

The previous prime is 303230113. The next prime is 303230129. The reversal of 303230120 is 21032303.

It is a junction number, because it is equal to n+sod(n) for n = 303230095 and 303230104.

It is not an unprimeable number, because it can be changed into a prime (303230129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65399 + ... + 69881.

It is an arithmetic number, because the mean of its divisors is an integer number (11350125).

Almost surely, 2303230120 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 303230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363204000).

303230120 is an abundant number, since it is smaller than the sum of its proper divisors (423177880).

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

303230120 is a wasteful number, since it uses less digits than its factorization.

303230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602 (or 4598 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 303230120 is about 17413.5039552641. The cubic root of 303230120 is about 671.8269880096.

Adding to 303230120 its reverse (21032303), we get a palindrome (324262423).

The spelling of 303230120 in words is "three hundred three million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 89 95 152 178 190 356 380 445 712 760 890 1691 1780 3382 3560 4483 6764 8455 8966 13528 16910 17932 22415 33820 35864 44830 67640 85177 89660 170354 179320 340708 398987 425885 681416 797974 851770 1595948 1703540 1994935 3191896 3407080 3989870 7580753 7979740 15161506 15959480 30323012 37903765 60646024 75807530 151615060 303230120