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330280825 = 5272269617
BaseRepresentation
bin10011101011111…
…010111101111001
3212000111000010011
4103223322331321
51134022441300
652435021521
711120224600
oct2353727571
9760430104
10330280825
1115a486966
129273a8a1
1353570854
1431c16a37
151dee0eba
hex13afaf79

330280825 has 18 divisors (see below), whose sum is σ = 476415006. Its totient is φ = 226477440.

The previous prime is 330280817. The next prime is 330280861. The reversal of 330280825 is 528082033.

It can be written as a sum of positive squares in 3 ways, for example, as 109223401 + 221057424 = 10451^2 + 14868^2 .

It is not a de Polignac number, because 330280825 - 23 = 330280817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 133584 + ... + 136033.

Almost surely, 2330280825 is an apocalyptic number.

330280825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

330280825 is a deficient number, since it is larger than the sum of its proper divisors (146134181).

330280825 is a wasteful number, since it uses less digits than its factorization.

330280825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269641 (or 269629 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 330280825 is about 18173.6299346058. The cubic root of 330280825 is about 691.2382896056.

The spelling of 330280825 in words is "three hundred thirty million, two hundred eighty thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 269617 1348085 1887319 6740425 9436595 13211233 47182975 66056165 330280825