Search a number
-
+
330210720 = 253257174147
BaseRepresentation
bin10011101011101…
…001110110100000
3212000100102221200
4103223221312200
51134013220340
652433321200
711116513320
oct2353516640
9760312850
10330210720
1115a439224
1292706200
1353547978
1431bd9280
151deca330
hex13ae9da0

330210720 has 576 divisors, whose sum is σ = 1426553856. Its totient is φ = 67829760.

The previous prime is 330210719. The next prime is 330210731. The reversal of 330210720 is 27012033.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 330210693 and 330210702.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7025737 + ... + 7025783.

It is an arithmetic number, because the mean of its divisors is an integer number (2476656).

Almost surely, 2330210720 is an apocalyptic number.

330210720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330210720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713276928).

330210720 is an abundant number, since it is smaller than the sum of its proper divisors (1096343136).

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

330210720 is a wasteful number, since it uses less digits than its factorization.

330210720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 330210720 is about 18171.7010761238. The cubic root of 330210720 is about 691.1893790163.

Adding to 330210720 its reverse (27012033), we get a palindrome (357222753).

The spelling of 330210720 in words is "three hundred thirty million, two hundred ten thousand, seven hundred twenty".