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68682248 = 2370912109
BaseRepresentation
bin1000001100000…
…00001000001000
311210020102022222
410012000020020
5120040312443
610452033212
71462534535
oct406001010
9153212288
1068682248
1135850a98
121b002808
13112c9aab
14919bd8c
15606a468
hex4180208

68682248 has 16 divisors (see below), whose sum is σ = 128971500. Its totient is φ = 34289856.

The previous prime is 68682247. The next prime is 68682253. The reversal of 68682248 is 84228686.

It can be written as a sum of positive squares in 2 ways, for example, as 66945124 + 1737124 = 8182^2 + 1318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68682199 and 68682208.

It is not an unprimeable number, because it can be changed into a prime (68682247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 11726.

Almost surely, 268682248 is an apocalyptic number.

It is an amenable number.

68682248 is a deficient number, since it is larger than the sum of its proper divisors (60289252).

68682248 is a wasteful number, since it uses less digits than its factorization.

68682248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824 (or 12820 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 68682248 is about 8287.4753694958. The cubic root of 68682248 is about 409.5260197860.

The spelling of 68682248 in words is "sixty-eight million, six hundred eighty-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 709 1418 2836 5672 12109 24218 48436 96872 8585281 17170562 34341124 68682248