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330433540 = 22529569713
BaseRepresentation
bin10011101100100…
…000010000000100
3212000202202121021
4103230200100010
51134042333130
652442200524
711121432043
oct2354402004
9760682537
10330433540
1115a580678
12927b3144
13535c5208
1431c5655a
151e02137a
hex13b20404

330433540 has 24 divisors (see below), whose sum is σ = 717839640. Its totient is φ = 127615488.

The previous prime is 330433529. The next prime is 330433559. The reversal of 330433540 is 45334033.

It can be written as a sum of positive squares in 4 ways, for example, as 123476544 + 206956996 = 11112^2 + 14386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284277 + ... + 285436.

It is an arithmetic number, because the mean of its divisors is an integer number (29909985).

Almost surely, 2330433540 is an apocalyptic number.

It is an amenable number.

330433540 is an abundant number, since it is smaller than the sum of its proper divisors (387406100).

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

330433540 is a wasteful number, since it uses less digits than its factorization.

330433540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569751 (or 569749 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 330433540 is about 18177.8310037254. The cubic root of 330433540 is about 691.3448112700.

Adding to 330433540 its reverse (45334033), we get a palindrome (375767573).

The spelling of 330433540 in words is "three hundred thirty million, four hundred thirty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 569713 1139426 2278852 2848565 5697130 11394260 16521677 33043354 66086708 82608385 165216770 330433540