Search a number
-
+
68808734 = 2535631153
BaseRepresentation
bin1000001100111…
…11000000011110
311210110211211122
410012133000132
5120103334414
610454450542
71463602361
oct406370036
9153424748
1068808734
1135928025
121b063a52
1311342537
1491d20d8
156092b8e
hex419f01e

68808734 has 16 divisors (see below), whose sum is σ = 105438672. Its totient is φ = 33666048.

The previous prime is 68808721. The next prime is 68808769. The reversal of 68808734 is 43780886.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59102 + ... + 60254.

It is an arithmetic number, because the mean of its divisors is an integer number (6589917).

Almost surely, 268808734 is an apocalyptic number.

68808734 is a deficient number, since it is larger than the sum of its proper divisors (36629938).

68808734 is a wasteful number, since it uses less digits than its factorization.

68808734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 68808734 is about 8295.1030132241. The cubic root of 68808734 is about 409.7772615264. Note that the first 3 decimals are identical.

The spelling of 68808734 in words is "sixty-eight million, eight hundred eight thousand, seven hundred thirty-four".

Divisors: 1 2 53 106 563 1126 1153 2306 29839 59678 61109 122218 649139 1298278 34404367 68808734