Search a number
-
+
76622065 = 513290677
BaseRepresentation
bin1001001000100…
…10100011110001
312100011210201021
410210102203301
5124103401230
611334135441
71620163642
oct444224361
9170153637
1076622065
113a284323
12217b1581
1312b49a00
14a2676c9
156ad7c7a
hex49128f1

76622065 has 12 divisors (see below), whose sum is σ = 99564444. Its totient is φ = 56581824.

The previous prime is 76622059. The next prime is 76622083. The reversal of 76622065 is 56022667.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 38725729 + 37896336 = 6223^2 + 6156^2 .

It is not a de Polignac number, because 76622065 - 23 = 76622057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76622065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44494 + ... + 46183.

It is an arithmetic number, because the mean of its divisors is an integer number (8297037).

Almost surely, 276622065 is an apocalyptic number.

It is an amenable number.

76622065 is a deficient number, since it is larger than the sum of its proper divisors (22942379).

76622065 is a wasteful number, since it uses less digits than its factorization.

76622065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90708 (or 90695 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 76622065 is about 8753.4030525276. The cubic root of 76622065 is about 424.7349027285.

The spelling of 76622065 in words is "seventy-six million, six hundred twenty-two thousand, sixty-five".

Divisors: 1 5 13 65 169 845 90677 453385 1178801 5894005 15324413 76622065