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68828882 = 238988469
BaseRepresentation
bin1000001101000…
…11111011010010
311210111212110212
410012203323102
5120110011012
610455124122
71464015203
oct406437322
9153455425
1068828882
1135941181
121b073642
131134b765
1491d95aa
156098b22
hex41a3ed2

68828882 has 8 divisors (see below), whose sum is σ = 103509900. Its totient is φ = 34325584.

The previous prime is 68828867. The next prime is 68828933. The reversal of 68828882 is 28882886.

It can be written as a sum of positive squares in 2 ways, for example, as 67749361 + 1079521 = 8231^2 + 1039^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68828882.

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, 43457 + ... + 45012.

Almost surely, 268828882 is an apocalyptic number.

68828882 is a deficient number, since it is larger than the sum of its proper divisors (34681018).

68828882 is a wasteful number, since it uses less digits than its factorization.

68828882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88860.

The product of its digits is 786432, while the sum is 50.

The square root of 68828882 is about 8296.3173757999. The cubic root of 68828882 is about 409.8172534774.

The spelling of 68828882 in words is "sixty-eight million, eight hundred twenty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 389 778 88469 176938 34414441 68828882