Search a number
-
+
330012405 = 3257333609
BaseRepresentation
bin10011101010111…
…001011011110101
3211222222100220200
4103222321123311
51133440344110
652425151113
711115026202
oct2352713365
9758870820
10330012405
1115a313228
129262b499
13534a8618
1431b86ca9
151de8b6c0
hex13ab96f5

330012405 has 12 divisors (see below), whose sum is σ = 572021580. Its totient is φ = 176006592.

The previous prime is 330012383. The next prime is 330012457. The reversal of 330012405 is 504210033.

It can be written as a sum of positive squares in 2 ways, for example, as 156800484 + 173211921 = 12522^2 + 13161^2 .

It is not a de Polignac number, because 330012405 - 28 = 330012149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3666760 + ... + 3666849.

It is an arithmetic number, because the mean of its divisors is an integer number (47668465).

Almost surely, 2330012405 is an apocalyptic number.

It is an amenable number.

330012405 is a deficient number, since it is larger than the sum of its proper divisors (242009175).

330012405 is a wasteful number, since it uses less digits than its factorization.

330012405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333620 (or 7333617 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 330012405 is about 18166.2435577639. The cubic root of 330012405 is about 691.0509818623.

Adding to 330012405 its reverse (504210033), we get a palindrome (834222438).

The spelling of 330012405 in words is "three hundred thirty million, twelve thousand, four hundred five".

Divisors: 1 3 5 9 15 45 7333609 22000827 36668045 66002481 110004135 330012405