Search a number
-
+
330343040 = 275516161
BaseRepresentation
bin10011101100001…
…010001010000000
3212000121011110102
4103230022022000
51134031434130
652440221532
711120604146
oct2354121200
9760534412
10330343040
1115a519685
129276a8a8
1353592c71
1431c31596
151e004645
hex13b0a280

330343040 has 32 divisors (see below), whose sum is σ = 789727860. Its totient is φ = 132136960.

The previous prime is 330343021. The next prime is 330343081. The reversal of 330343040 is 40343033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 288456256 + 41886784 = 16984^2 + 6472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257441 + ... + 258720.

Almost surely, 2330343040 is an apocalyptic number.

It is an amenable number.

330343040 is an abundant number, since it is smaller than the sum of its proper divisors (459384820).

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

330343040 is an equidigital number, since it uses as much as digits as its factorization.

330343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516180 (or 516168 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 330343040 is about 18175.3415373687. The cubic root of 330343040 is about 691.2816897335.

Adding to 330343040 its reverse (40343033), we get a palindrome (370686073).

The spelling of 330343040 in words is "three hundred thirty million, three hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 516161 1032322 2064644 2580805 4129288 5161610 8258576 10323220 16517152 20646440 33034304 41292880 66068608 82585760 165171520 330343040