Search a number
-
+
79305066 = 2325397857
BaseRepresentation
bin1001011101000…
…01100101101010
312112020010002200
410232201211222
5130300230231
611511441030
71652040051
oct456414552
9175203080
1079305066
1140847085
1222686176
1313578c99
14a765398
156e67be6
hex4ba196a

79305066 has 48 divisors (see below), whose sum is σ = 177080904. Its totient is φ = 25638912.

The previous prime is 79305043. The next prime is 79305067. The reversal of 79305066 is 66050397.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79121025 + 184041 = 8895^2 + 429^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79305066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79305067) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 92110 + ... + 92966.

Almost surely, 279305066 is an apocalyptic number.

79305066 is an abundant number, since it is smaller than the sum of its proper divisors (97775838).

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

79305066 is a wasteful number, since it uses less digits than its factorization.

79305066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 79305066 is about 8905.3391850058. The cubic root of 79305066 is about 429.6356495389.

It can be divided in two parts, 7930 and 5066, that added together give a square (12996 = 1142).

The spelling of 79305066 in words is "seventy-nine million, three hundred five thousand, sixty-six".

Divisors: 1 2 3 6 9 18 53 97 106 159 194 291 318 477 582 857 873 954 1714 1746 2571 5141 5142 7713 10282 15423 15426 30846 45421 46269 83129 90842 92538 136263 166258 249387 272526 408789 498774 748161 817578 1496322 4405837 8811674 13217511 26435022 39652533 79305066