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293065631 is a prime number
BaseRepresentation
bin10001011101111…
…101001110011111
3202102110021110122
4101131331032133
51100011100011
645025225155
710156005515
oct2135751637
9672407418
10293065631
11140478601
12821921bb
1348940721
142acca4b5
151aade3db
hex1177d39f

293065631 has 2 divisors, whose sum is σ = 293065632. Its totient is φ = 293065630.

The previous prime is 293065627. The next prime is 293065639. The reversal of 293065631 is 136560392.

293065631 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 293065631 - 22 = 293065627 is a prime.

It is a super-2 number, since 2×2930656312 = 171774928146856322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 293065591 and 293065600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (293065639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146532815 + 146532816.

It is an arithmetic number, because the mean of its divisors is an integer number (146532816).

Almost surely, 2293065631 is an apocalyptic number.

293065631 is a deficient number, since it is larger than the sum of its proper divisors (1).

293065631 is an equidigital number, since it uses as much as digits as its factorization.

293065631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 293065631 is about 17119.1597632594. The cubic root of 293065631 is about 664.2348075729.

The spelling of 293065631 in words is "two hundred ninety-three million, sixty-five thousand, six hundred thirty-one".