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320343348 = 223136730649
BaseRepresentation
bin10011000110000…
…000110100110100
3211022210010110110
4103012000310310
51124001441343
651442023020
710636605423
oct2306006464
9738703413
10320343348
11154909776
128b347a70
13514a15a0
143078b2ba
151d1cb833
hex13180d34

320343348 has 48 divisors (see below), whose sum is σ = 817006400. Its totient is φ = 97092864.

The previous prime is 320343343. The next prime is 320343349. The reversal of 320343348 is 843343023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320343343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4873 + ... + 25776.

Almost surely, 2320343348 is an apocalyptic number.

It is an amenable number.

320343348 is an abundant number, since it is smaller than the sum of its proper divisors (496663052).

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

320343348 is a wasteful number, since it uses less digits than its factorization.

320343348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30736 (or 30734 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 320343348 is about 17898.1381154577. The cubic root of 320343348 is about 684.2349232380.

The spelling of 320343348 in words is "three hundred twenty million, three hundred forty-three thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 67 78 134 156 201 268 402 804 871 1742 2613 3484 5226 10452 30649 61298 91947 122596 183894 367788 398437 796874 1195311 1593748 2053483 2390622 4106966 4781244 6160449 8213932 12320898 24641796 26695279 53390558 80085837 106781116 160171674 320343348