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68453827 = 13191911451
BaseRepresentation
bin1000001010010…
…00010111000011
311202210210222221
410011020113003
5120011010302
610443111511
71460563561
oct405102703
9152723887
1068453827
1135705412
121ab12597
1311249b30
14913ca31
156022937
hex41485c3

68453827 has 16 divisors (see below), whose sum is σ = 78059520. Its totient is φ = 59508000.

The previous prime is 68453813. The next prime is 68453837. The reversal of 68453827 is 72835486.

It is a de Polignac number, because none of the positive numbers 2k-68453827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68453837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46452 + ... + 47902.

It is an arithmetic number, because the mean of its divisors is an integer number (4878720).

Almost surely, 268453827 is an apocalyptic number.

68453827 is a deficient number, since it is larger than the sum of its proper divisors (9605693).

68453827 is a wasteful number, since it uses less digits than its factorization.

68453827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 322560, while the sum is 43.

The square root of 68453827 is about 8273.6827954666. The cubic root of 68453827 is about 409.0715198248.

The spelling of 68453827 in words is "sixty-eight million, four hundred fifty-three thousand, eight hundred twenty-seven".

Divisors: 1 13 19 191 247 1451 2483 3629 18863 27569 47177 277141 358397 3602833 5265679 68453827