Search a number
-
+
3620482561 = 19318758977
BaseRepresentation
bin1101011111001100…
…0010111000000001
3100100022120120101201
43113303002320001
524403320420221
61355131301201
7155501410513
oct32763027001
910308516351
103620482561
111598739153
128505aa801
13459102097
14264ba1bb3
15162caa891
hexd7cc2e01

3620482561 has 4 divisors (see below), whose sum is σ = 3639241732. Its totient is φ = 3601723392.

The previous prime is 3620482519. The next prime is 3620482589. The reversal of 3620482561 is 1652840263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1652840263 = 3166352201.

It can be written as a sum of positive squares in 2 ways, for example, as 2514521025 + 1105961536 = 50145^2 + 33256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3620482561 - 213 = 3620474369 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 3620482561.

It is not an unprimeable number, because it can be changed into a prime (3620482511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9379296 + ... + 9379681.

It is an arithmetic number, because the mean of its divisors is an integer number (909810433).

Almost surely, 23620482561 is an apocalyptic number.

It is an amenable number.

3620482561 is a deficient number, since it is larger than the sum of its proper divisors (18759171).

3620482561 is a wasteful number, since it uses less digits than its factorization.

3620482561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18759170.

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

The square root of 3620482561 is about 60170.4459099316. The cubic root of 3620482561 is about 1535.5200324689.

The spelling of 3620482561 in words is "three billion, six hundred twenty million, four hundred eighty-two thousand, five hundred sixty-one".

Divisors: 1 193 18758977 3620482561