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68477486 = 27112319333
BaseRepresentation
bin1000001010011…
…10001000101110
311202212000110012
410011032020232
5120012234421
610443413222
71461022550
oct405161056
9152760405
1068477486
1135721170
121ab24212
131125782c
1491474d0
15602995b
hex414e22e

68477486 has 32 divisors (see below), whose sum is σ = 133636608. Its totient is φ = 25518240.

The previous prime is 68477483. The next prime is 68477527.

68477486 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68477483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6125 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (4176144).

Almost surely, 268477486 is an apocalyptic number.

68477486 is a deficient number, since it is larger than the sum of its proper divisors (65159122).

68477486 is a wasteful number, since it uses less digits than its factorization.

68477486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19376.

The product of its digits is 1806336, while the sum is 50.

The square root of 68477486 is about 8275.1124463659. The cubic root of 68477486 is about 409.1186421393.

The spelling of 68477486 in words is "sixty-eight million, four hundred seventy-seven thousand, four hundred eighty-six".

Divisors: 1 2 7 11 14 22 23 46 77 154 161 253 322 506 1771 3542 19333 38666 135331 212663 270662 425326 444659 889318 1488641 2977282 3112613 4891249 6225226 9782498 34238743 68477486