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320344030 = 25269119087
BaseRepresentation
bin10011000110000…
…000111111011110
3211022210011101201
4103012000333132
51124002002110
651442030114
710636610416
oct2306007736
9738704351
10320344030
1115490a236
128b34833a
13514a19a6
143078b646
151d1cbb3a
hex13180fde

320344030 has 16 divisors (see below), whose sum is σ = 578767680. Its totient is φ = 127660192.

The previous prime is 320343967. The next prime is 320344051. The reversal of 320344030 is 30443023.

It is a junction number, because it is equal to n+sod(n) for n = 320343989 and 320344007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56854 + ... + 62233.

It is an arithmetic number, because the mean of its divisors is an integer number (36172980).

Almost surely, 2320344030 is an apocalyptic number.

320344030 is a deficient number, since it is larger than the sum of its proper divisors (258423650).

320344030 is a wasteful number, since it uses less digits than its factorization.

320344030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119363.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 320344030 is about 17898.1571677086. The cubic root of 320344030 is about 684.2354088086.

Adding to 320344030 its reverse (30443023), we get a palindrome (350787053).

The spelling of 320344030 in words is "three hundred twenty million, three hundred forty-four thousand, thirty".

Divisors: 1 2 5 10 269 538 1345 2690 119087 238174 595435 1190870 32034403 64068806 160172015 320344030