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248211853 is a prime number
BaseRepresentation
bin11101100101101…
…10100110001101
3122022001110122121
432302312212031
51002020234403
640344012541
76102523501
oct1662664615
9568043577
10248211853
1111812226a
126b161151
133c567826
1424d72301
1516bce3bd
hexecb698d

248211853 has 2 divisors, whose sum is σ = 248211854. Its totient is φ = 248211852.

The previous prime is 248211851. The next prime is 248211869. The reversal of 248211853 is 358112842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174715524 + 73496329 = 13218^2 + 8573^2 .

It is a cyclic number.

It is not a de Polignac number, because 248211853 - 21 = 248211851 is a prime.

Together with 248211851, 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 (248211851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124105926 + 124105927.

It is an arithmetic number, because the mean of its divisors is an integer number (124105927).

Almost surely, 2248211853 is an apocalyptic number.

It is an amenable number.

248211853 is a deficient number, since it is larger than the sum of its proper divisors (1).

248211853 is an equidigital number, since it uses as much as digits as its factorization.

248211853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 248211853 is about 15754.7406516261. The cubic root of 248211853 is about 628.4549803444.

The spelling of 248211853 in words is "two hundred forty-eight million, two hundred eleven thousand, eight hundred fifty-three".