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329680330 = 2572672817
BaseRepresentation
bin10011101001101…
…000010111001010
3211222100111101121
4103221220113022
51133344232310
652414105454
711112144100
oct2351502712
9758314347
10329680330
1115a106791
12924ab28a
13533c0425
1431adbc70
151de230da
hex13a685ca

329680330 has 24 divisors (see below), whose sum is σ = 690311268. Its totient is φ = 113033088.

The previous prime is 329680289. The next prime is 329680333. The reversal of 329680330 is 33086923.

It can be written as a sum of positive squares in 2 ways, for example, as 321879481 + 7800849 = 17941^2 + 2793^2 .

It is not an unprimeable number, because it can be changed into a prime (329680333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335919 + ... + 336898.

Almost surely, 2329680330 is an apocalyptic number.

329680330 is an abundant number, since it is smaller than the sum of its proper divisors (360630938).

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

329680330 is a wasteful number, since it uses less digits than its factorization.

329680330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672838 (or 672831 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 329680330 is about 18157.1013655815. The cubic root of 329680330 is about 690.8191140436.

The spelling of 329680330 in words is "three hundred twenty-nine million, six hundred eighty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 672817 1345634 3364085 4709719 6728170 9419438 23548595 32968033 47097190 65936066 164840165 329680330