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264808331 is a prime number
BaseRepresentation
bin11111100100010…
…10011110001011
3200110021122201222
433302022132023
51020242331311
642135432255
76363555644
oct1762123613
9613248658
10264808331
11126528467
127482568b
1342b28a28
14272526cb
15183abadb
hexfc8a78b

264808331 has 2 divisors, whose sum is σ = 264808332. Its totient is φ = 264808330.

The previous prime is 264808273. The next prime is 264808363. The reversal of 264808331 is 133808462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264808331 - 26 = 264808267 is a prime.

It is a super-2 number, since 2×2648083312 = 140246904334011122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 264808291 and 264808300.

It is not a weakly prime, because it can be changed into another prime (264801331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132404165 + 132404166.

It is an arithmetic number, because the mean of its divisors is an integer number (132404166).

Almost surely, 2264808331 is an apocalyptic number.

264808331 is a deficient number, since it is larger than the sum of its proper divisors (1).

264808331 is an equidigital number, since it uses as much as digits as its factorization.

264808331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 264808331 is about 16272.9324646789. The cubic root of 264808331 is about 642.1609336034.

The spelling of 264808331 in words is "two hundred sixty-four million, eight hundred eight thousand, three hundred thirty-one".