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330831030 = 23519015801
BaseRepresentation
bin10011101110000…
…001010010110110
3212001111221212010
4103232001102312
51134143043110
652454505050
711125005645
oct2356012266
9761457763
10330831030
1115a822282
1292965186
135370410a
1431d1b35c
151e09e020
hex13b814b6

330831030 has 32 divisors (see below), whose sum is σ = 794549088. Its totient is φ = 88160000.

The previous prime is 330831029. The next prime is 330831037. The reversal of 330831030 is 30138033.

It is a junction number, because it is equal to n+sod(n) for n = 330830988 and 330831006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330831037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54130 + ... + 59930.

It is an arithmetic number, because the mean of its divisors is an integer number (24829659).

Almost surely, 2330831030 is an apocalyptic number.

330831030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

330831030 is an abundant number, since it is smaller than the sum of its proper divisors (463718058).

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

330831030 is a wasteful number, since it uses less digits than its factorization.

330831030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 330831030 is about 18188.7610902997. The cubic root of 330831030 is about 691.6219144284.

Adding to 330831030 its reverse (30138033), we get a palindrome (360969063).

The spelling of 330831030 in words is "three hundred thirty million, eight hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1901 3802 5703 5801 9505 11406 11602 17403 19010 28515 29005 34806 57030 58010 87015 174030 11027701 22055402 33083103 55138505 66166206 110277010 165415515 330831030