[go: up one dir, main page]

Search a number
-
+
68907718 = 21119353467
BaseRepresentation
bin1000001101101…
…11001011000110
311210122212121201
410012313023012
5120120021333
610500533114
71464464065
oct406671306
9153585551
1068907718
1135995430
121b0b119a
13113785c9
14921a1dc
1560b217d
hex41b72c6

68907718 has 32 divisors (see below), whose sum is σ = 119283840. Its totient is φ = 29525760.

The previous prime is 68907689. The next prime is 68907731. The reversal of 68907718 is 81770986.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 147321 + ... + 147787.

It is an arithmetic number, because the mean of its divisors is an integer number (3727620).

Almost surely, 268907718 is an apocalyptic number.

68907718 is a deficient number, since it is larger than the sum of its proper divisors (50376122).

68907718 is a wasteful number, since it uses less digits than its factorization.

68907718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 68907718 is about 8301.0672807778. The cubic root of 68907718 is about 409.9736608104.

The spelling of 68907718 in words is "sixty-eight million, nine hundred seven thousand, seven hundred eighteen".

Divisors: 1 2 11 19 22 38 209 353 418 467 706 934 3883 5137 6707 7766 8873 10274 13414 17746 73777 97603 147554 164851 195206 329702 1813361 3132169 3626722 6264338 34453859 68907718