Search a number
-
+
68417214 = 23171943821
BaseRepresentation
bin1000001001111…
…11011010111110
311202201221202220
410010333122332
5120003322324
610442230210
71460352045
oct404773276
9152657686
1068417214
113568a958
121aab5366
1311236278
14912d55c
156016b79
hex413f6be

68417214 has 64 divisors (see below), whose sum is σ = 156245760. Its totient is φ = 19837440.

The previous prime is 68417213. The next prime is 68417221. The reversal of 68417214 is 41271486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68417213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82924 + ... + 83744.

It is an arithmetic number, because the mean of its divisors is an integer number (2441340).

Almost surely, 268417214 is an apocalyptic number.

68417214 is an abundant number, since it is smaller than the sum of its proper divisors (87828546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68417214 is a wasteful number, since it uses less digits than its factorization.

68417214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its digits is 10752, while the sum is 33.

The square root of 68417214 is about 8271.4698814661. The cubic root of 68417214 is about 408.9985752467.

The spelling of 68417214 in words is "sixty-eight million, four hundred seventeen thousand, two hundred fourteen".

Divisors: 1 2 3 6 17 19 34 38 43 51 57 86 102 114 129 258 323 646 731 817 821 969 1462 1634 1642 1938 2193 2451 2463 4386 4902 4926 13889 13957 15599 27778 27914 31198 35303 41667 41871 46797 70606 83334 83742 93594 105909 211818 265183 530366 600151 670757 795549 1200302 1341514 1591098 1800453 2012271 3600906 4024542 11402869 22805738 34208607 68417214