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248727842 = 21122344687
BaseRepresentation
bin11101101001101…
…00100100100010
3122100000200110022
432310310210202
51002133242332
640403033442
76110103026
oct1664644442
9570020408
10248727842
11118444a00
126b36b882
133c6b864c
1425068386
1516c82212
hexed34922

248727842 has 24 divisors (see below), whose sum is σ = 427932288. Its totient is φ = 108140120.

The previous prime is 248727827. The next prime is 248727881.

248727842 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 248727793 and 248727802.

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 11 ways as a sum of consecutive naturals, for example, 16778 + ... + 27909.

It is an arithmetic number, because the mean of its divisors is an integer number (17830512).

Almost surely, 2248727842 is an apocalyptic number.

248727842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

248727842 is a deficient number, since it is larger than the sum of its proper divisors (179204446).

248727842 is a wasteful number, since it uses less digits than its factorization.

248727842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44734 (or 44723 counting only the distinct ones).

The product of its digits is 401408, while the sum is 44.

The square root of 248727842 is about 15771.1078241194. The cubic root of 248727842 is about 628.8901615654.

The spelling of 248727842 in words is "two hundred forty-eight million, seven hundred twenty-seven thousand, eight hundred forty-two".

Divisors: 1 2 11 22 23 46 121 242 253 506 2783 5566 44687 89374 491557 983114 1027801 2055602 5407127 10814254 11305811 22611622 124363921 248727842