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248641801 is a prime number
BaseRepresentation
bin11101101000111…
…11100100001001
3122022212022102121
432310133210021
51002123014201
640401131241
76106264132
oct1664374411
9568768377
10248641801
111183962a1
126b329b21
133c688435
1425044c89
1516c669a1
hexed1f909

248641801 has 2 divisors, whose sum is σ = 248641802. Its totient is φ = 248641800.

The previous prime is 248641769. The next prime is 248641837. The reversal of 248641801 is 108146842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239785225 + 8856576 = 15485^2 + 2976^2 .

It is a cyclic number.

It is not a de Polignac number, because 248641801 - 25 = 248641769 is a prime.

It is not a weakly prime, because it can be changed into another prime (248641301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124320900 + 124320901.

It is an arithmetic number, because the mean of its divisors is an integer number (124320901).

Almost surely, 2248641801 is an apocalyptic number.

It is an amenable number.

248641801 is a deficient number, since it is larger than the sum of its proper divisors (1).

248641801 is an equidigital number, since it uses as much as digits as its factorization.

248641801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 248641801 is about 15768.3797836049. The cubic root of 248641801 is about 628.8176370763.

The spelling of 248641801 in words is "two hundred forty-eight million, six hundred forty-one thousand, eight hundred one".