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248816390 = 2524881639
BaseRepresentation
bin11101101010010…
…10001100000110
3122100012011220212
432311022030012
51002144111030
640404555422
76110622134
oct1665121406
9570164825
10248816390
111184a5489
126b3b2b72
133c719a44
142508c754
1516c9d595
hexed4a306

248816390 has 8 divisors (see below), whose sum is σ = 447869520. Its totient is φ = 99526552.

The previous prime is 248816389. The next prime is 248816411. The reversal of 248816390 is 93618842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12440810 + ... + 12440829.

It is an arithmetic number, because the mean of its divisors is an integer number (55983690).

Almost surely, 2248816390 is an apocalyptic number.

248816390 is a deficient number, since it is larger than the sum of its proper divisors (199053130).

248816390 is a wasteful number, since it uses less digits than its factorization.

248816390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24881646.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 248816390 is about 15773.9148596663. The cubic root of 248816390 is about 628.9647817588.

The spelling of 248816390 in words is "two hundred forty-eight million, eight hundred sixteen thousand, three hundred ninety".