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270805831 is a prime number
BaseRepresentation
bin10000001001000…
…010101101000111
3200212120100202121
4100021002231013
51023311241311
642512150411
76465545242
oct2011025507
9625510677
10270805831
1112995447a
1276838407
134414884a
1427d74259
1518b93b71
hex10242b47

270805831 has 2 divisors, whose sum is σ = 270805832. Its totient is φ = 270805830.

The previous prime is 270805823. The next prime is 270805859. The reversal of 270805831 is 138508072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 270805831 - 23 = 270805823 is a prime.

It is a super-2 number, since 2×2708058312 = 146671596207201122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270865831) 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 as a sum of consecutive naturals, namely, 135402915 + 135402916.

It is an arithmetic number, because the mean of its divisors is an integer number (135402916).

Almost surely, 2270805831 is an apocalyptic number.

270805831 is a deficient number, since it is larger than the sum of its proper divisors (1).

270805831 is an equidigital number, since it uses as much as digits as its factorization.

270805831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 270805831 is about 16456.1791130262. The cubic root of 270805831 is about 646.9727721741.

The spelling of 270805831 in words is "two hundred seventy million, eight hundred five thousand, eight hundred thirty-one".