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248752643 is a prime number
BaseRepresentation
bin11101101001110…
…10101000000011
3122100001221110212
432310322220003
51002140041033
640403344335
76110235236
oct1664725003
9570057425
10248752643
111184615a7
126b3820ab
133c6c6a19
142507341d
1516c89748
hexed3aa03

248752643 has 2 divisors, whose sum is σ = 248752644. Its totient is φ = 248752642.

The previous prime is 248752627. The next prime is 248752661. The reversal of 248752643 is 346257842.

248752643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248752643 - 24 = 248752627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248752643.

It is not a weakly prime, because it can be changed into another prime (248752243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124376321 + 124376322.

It is an arithmetic number, because the mean of its divisors is an integer number (124376322).

Almost surely, 2248752643 is an apocalyptic number.

248752643 is a deficient number, since it is larger than the sum of its proper divisors (1).

248752643 is an equidigital number, since it uses as much as digits as its factorization.

248752643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 248752643 is about 15771.8940840978. The cubic root of 248752643 is about 628.9110633757.

The spelling of 248752643 in words is "two hundred forty-eight million, seven hundred fifty-two thousand, six hundred forty-three".