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320795421 = 3234649209
BaseRepresentation
bin10011000111101…
…111001100011101
3211100122002120220
4103013233030131
51124110423141
651455431553
710643500422
oct2307571435
9740562526
10320795421
11155098391
128b5255b9
13515cc29b
1430867d49
151d26a766
hex131ef31d

320795421 has 8 divisors (see below), whose sum is σ = 446324160. Its totient is φ = 204565152.

The previous prime is 320795413. The next prime is 320795429. The reversal of 320795421 is 124597023.

It is an interprime number because it is at equal distance from previous prime (320795413) and next prime (320795429).

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

It is not a de Polignac number, because 320795421 - 23 = 320795413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320795429) 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, 2324536 + ... + 2324673.

It is an arithmetic number, because the mean of its divisors is an integer number (55790520).

Almost surely, 2320795421 is an apocalyptic number.

It is an amenable number.

320795421 is a deficient number, since it is larger than the sum of its proper divisors (125528739).

320795421 is a wasteful number, since it uses less digits than its factorization.

320795421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649235.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 320795421 is about 17910.7627140778. The cubic root of 320795421 is about 684.5566392373.

The spelling of 320795421 in words is "three hundred twenty million, seven hundred ninety-five thousand, four hundred twenty-one".

Divisors: 1 3 23 69 4649209 13947627 106931807 320795421