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330000008 = 23134217537
BaseRepresentation
bin10011101010110…
…110011010001000
3211222221201220112
4103222312122020
51133440000013
652425013452
711114645102
oct2352663210
9758851815
10330000008
1115a304988
1292624288
13534a2aa0
1431b82572
151de87ba8
hex13ab6688

330000008 has 32 divisors (see below), whose sum is σ = 668017560. Its totient is φ = 151925760.

The previous prime is 330000001. The next prime is 330000023. The reversal of 330000008 is 800000033.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102050404 + 227949604 = 10102^2 + 15098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 329999947 and 330000001.

It is not an unprimeable number, because it can be changed into a prime (330000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40016 + ... + 47552.

Almost surely, 2330000008 is an apocalyptic number.

It is an amenable number.

330000008 is an abundant number, since it is smaller than the sum of its proper divisors (338017552).

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

330000008 is a wasteful number, since it uses less digits than its factorization.

330000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977 (or 7973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 330000008 is about 18165.9023447777. The cubic root of 330000008 is about 691.0423285853.

The spelling of 330000008 in words is "three hundred thirty million, eight", and thus it is an aban number.

Divisors: 1 2 4 8 13 26 52 104 421 842 1684 3368 5473 7537 10946 15074 21892 30148 43784 60296 97981 195962 391924 783848 3173077 6346154 12692308 25384616 41250001 82500002 165000004 330000008