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320506027 = 10110330809
BaseRepresentation
bin10011000110101…
…000100010101011
3211100002101121121
4103012220202223
51124022143102
651445320111
710641153622
oct2306504253
9740071547
10320506027
11154a0aa16
128b406037
135152a64a
14307d06b9
151d20eb37
hex131a88ab

320506027 has 8 divisors (see below), whose sum is σ = 326832480. Its totient is φ = 314241600.

The previous prime is 320506001. The next prime is 320506033. The reversal of 320506027 is 720605023.

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 320506027 - 211 = 320503979 is a prime.

It is a super-2 number, since 2×3205060272 = 205448226686649458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320505992 and 320506010.

It is not an unprimeable number, because it can be changed into a prime (320506327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002 + ... + 25807.

It is an arithmetic number, because the mean of its divisors is an integer number (40854060).

Almost surely, 2320506027 is an apocalyptic number.

320506027 is a deficient number, since it is larger than the sum of its proper divisors (6326453).

320506027 is a wasteful number, since it uses less digits than its factorization.

320506027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31013.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 320506027 is about 17902.6821174929. The cubic root of 320506027 is about 684.3507279591.

The spelling of 320506027 in words is "three hundred twenty million, five hundred six thousand, twenty-seven".

Divisors: 1 101 103 10403 30809 3111709 3173327 320506027