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364084561 = 190812
BaseRepresentation
bin10101101100110…
…111110101010001
3221101002102010101
4111230313311101
51221201201221
6100043332401
712010445011
oct2554676521
9841072111
10364084561
11177575135
12a1b21101
135a577c69
14364d5c41
1521e6bd91
hex15b37d51

364084561 has 3 divisors (see below), whose sum is σ = 364103643. Its totient is φ = 364065480.

The previous prime is 364084559. The next prime is 364084571. The reversal of 364084561 is 165480463.

It is a happy number.

The square root of 364084561 is 19081.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 165480463 = 1119714779.

It can be written as a sum of positive squares in only one way, i.e., 61324561 + 302760000 = 7831^2 + 17400^2 .

It is not a de Polignac number, because 364084561 - 21 = 364084559 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 364084561.

It is not an unprimeable number, because it can be changed into a prime (364084541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9541 + ... + 28621.

It is an arithmetic number, because the mean of its divisors is an integer number (121367881).

Almost surely, 2364084561 is an apocalyptic number.

364084561 is the 19081-st square number.

364084561 is the 9541-st centered octagonal number.

It is an amenable number.

364084561 is a deficient number, since it is larger than the sum of its proper divisors (19082).

364084561 is an frugal number, since it uses more digits than its factorization.

364084561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38162 (or 19081 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The cubic root of 364084561 is about 714.0589840822.

The spelling of 364084561 in words is "three hundred sixty-four million, eighty-four thousand, five hundred sixty-one".

Divisors: 1 19081 364084561