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330148817 = 379779133
BaseRepresentation
bin10011101011011…
…010101111010001
3212000020022000222
4103223122233101
51134004230232
652432122425
711116134665
oct2353325721
9760208028
10330148817
1115a3a6769
1292696415
135352573b
1431bc08a5
151deb6d12
hex13adabd1

330148817 has 8 divisors (see below), whose sum is σ = 339455976. Its totient is φ = 320861952.

The previous prime is 330148799. The next prime is 330148849. The reversal of 330148817 is 718841033.

It can be written as a sum of positive squares in 4 ways, for example, as 246992656 + 83156161 = 15716^2 + 9119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330148817 - 212 = 330144721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330148717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31583 + ... + 40715.

It is an arithmetic number, because the mean of its divisors is an integer number (42431997).

Almost surely, 2330148817 is an apocalyptic number.

330148817 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

330148817 is a deficient number, since it is larger than the sum of its proper divisors (9307159).

330148817 is an equidigital number, since it uses as much as digits as its factorization.

330148817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 330148817 is about 18169.9977160153. The cubic root of 330148817 is about 691.1461850117.

The spelling of 330148817 in words is "three hundred thirty million, one hundred forty-eight thousand, eight hundred seventeen".

Divisors: 1 37 977 9133 36149 337921 8922941 330148817