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248721484 = 22115652761
BaseRepresentation
bin11101101001100…
…11000001001100
3122100000100201211
432310303001030
51002133041414
640402544204
76110045344
oct1664630114
9570010654
10248721484
11118440150
126b368064
133c6b579b
1425065d24
1516c803c4
hexed3304c

248721484 has 12 divisors (see below), whose sum is σ = 474832008. Its totient is φ = 113055200.

The previous prime is 248721433. The next prime is 248721491. The reversal of 248721484 is 484127842.

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, 2826337 + ... + 2826424.

It is an arithmetic number, because the mean of its divisors is an integer number (39569334).

Almost surely, 2248721484 is an apocalyptic number.

It is an amenable number.

248721484 is a deficient number, since it is larger than the sum of its proper divisors (226110524).

248721484 is a wasteful number, since it uses less digits than its factorization.

248721484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652776 (or 5652774 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The square root of 248721484 is about 15770.9062517028. The cubic root of 248721484 is about 628.8848029403.

The spelling of 248721484 in words is "two hundred forty-eight million, seven hundred twenty-one thousand, four hundred eighty-four".

Divisors: 1 2 4 11 22 44 5652761 11305522 22611044 62180371 124360742 248721484