[go: up one dir, main page]

Search a number
-
+
67128082 = 27311371129
BaseRepresentation
bin1000000000001…
…00101100010010
311200022110102021
410000010230102
5114141044312
610354442054
71443402460
oct400045422
9150273367
1067128082
113498a35a
121a59332a
1310ba4578
148cb5830
155d5ec07
hex4004b12

67128082 has 32 divisors (see below), whose sum is σ = 119761920. Its totient is φ = 27613440.

The previous prime is 67128077. The next prime is 67128091. The reversal of 67128082 is 28082176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58894 + ... + 60022.

It is an arithmetic number, because the mean of its divisors is an integer number (3742560).

Almost surely, 267128082 is an apocalyptic number.

67128082 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

67128082 is a deficient number, since it is larger than the sum of its proper divisors (52633838).

67128082 is a wasteful number, since it uses less digits than its factorization.

67128082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 67128082 is about 8193.1728896686. The cubic root of 67128082 is about 406.4134568428.

The spelling of 67128082 in words is "sixty-seven million, one hundred twenty-eight thousand, eighty-two".

Divisors: 1 2 7 14 31 62 137 217 274 434 959 1129 1918 2258 4247 7903 8494 15806 29729 34999 59458 69998 154673 244993 309346 489986 1082711 2165422 4794863 9589726 33564041 67128082