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330309928 = 23133176057
BaseRepresentation
bin10011101100000…
…010000100101000
3212000112111001001
4103230002010220
51134024404203
652435404344
711120405464
oct2354020450
9760474031
10330309928
1115a4a6813
12927536b4
1353580b80
1431c234a4
151dee991d
hex13b02128

330309928 has 16 divisors (see below), whose sum is σ = 666972180. Its totient is φ = 152450688.

The previous prime is 330309919. The next prime is 330309943. The reversal of 330309928 is 829903033.

It can be written as a sum of positive squares in 2 ways, for example, as 321771844 + 8538084 = 17938^2 + 2922^2 .

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, 1587925 + ... + 1588132.

Almost surely, 2330309928 is an apocalyptic number.

It is an amenable number.

330309928 is an abundant number, since it is smaller than the sum of its proper divisors (336662252).

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

330309928 is a wasteful number, since it uses less digits than its factorization.

330309928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176076 (or 3176072 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 330309928 is about 18174.4306100631. The cubic root of 330309928 is about 691.2585920428.

The spelling of 330309928 in words is "three hundred thirty million, three hundred nine thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 3176057 6352114 12704228 25408456 41288741 82577482 165154964 330309928