Search a number
-
+
2380621 is a prime number
BaseRepresentation
bin1001000101001101001101
311110221121011
421011031031
51102134441
6123005221
726143405
oct11051515
94427534
102380621
111386661
12969811
13654769
1445d805
15320581
hex24534d

2380621 has 2 divisors, whose sum is σ = 2380622. Its totient is φ = 2380620.

The previous prime is 2380619. The next prime is 2380627. The reversal of 2380621 is 1260832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 12100 = 1539^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2380621 - 21 = 2380619 is a prime.

Together with 2380619, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2380592 and 2380601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2380627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190310 + 1190311.

It is an arithmetic number, because the mean of its divisors is an integer number (1190311).

22380621 is an apocalyptic number.

It is an amenable number.

2380621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2380621 is an equidigital number, since it uses as much as digits as its factorization.

2380621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2380621 is about 1542.9261161831. The cubic root of 2380621 is about 133.5252562483.

The spelling of 2380621 in words is "two million, three hundred eighty thousand, six hundred twenty-one".