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248806429 is a prime number
BaseRepresentation
bin11101101010001…
…11110000011101
3122100011200020221
432311013300131
51002143301204
640404441341
76110551114
oct1665076035
9570150227
10248806429
11118498a53
126b3a9251
133c715351
1425088c7b
1516c9a654
hexed47c1d

248806429 has 2 divisors, whose sum is σ = 248806430. Its totient is φ = 248806428.

The previous prime is 248806427. The next prime is 248806483. The reversal of 248806429 is 924608842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125552025 + 123254404 = 11205^2 + 11102^2 .

It is a cyclic number.

It is not a de Polignac number, because 248806429 - 21 = 248806427 is a prime.

It is a super-2 number, since 2×2488064292 = 123809278223464082, which contains 22 as substring.

Together with 248806427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248806421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124403214 + 124403215.

It is an arithmetic number, because the mean of its divisors is an integer number (124403215).

Almost surely, 2248806429 is an apocalyptic number.

It is an amenable number.

248806429 is a deficient number, since it is larger than the sum of its proper divisors (1).

248806429 is an equidigital number, since it uses as much as digits as its factorization.

248806429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 248806429 is about 15773.5991137090. The cubic root of 248806429 is about 628.9563884187.

The spelling of 248806429 in words is "two hundred forty-eight million, eight hundred six thousand, four hundred twenty-nine".