[go: up one dir, main page]

Search a number
-
+
2380818 = 231136073
BaseRepresentation
bin1001000101010000010010
311110221212110
421011100102
51102141233
6123010150
726144106
oct11052022
94427773
102380818
111386820
12969956
1365488b
1445d906
15320663
hex245412

2380818 has 16 divisors (see below), whose sum is σ = 5194656. Its totient is φ = 721440.

The previous prime is 2380811. The next prime is 2380837. The reversal of 2380818 is 8180832.

It is not an unprimeable number, because it can be changed into a prime (2380811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17971 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (324666).

22380818 is an apocalyptic number.

2380818 is an abundant number, since it is smaller than the sum of its proper divisors (2813838).

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

2380818 is a wasteful number, since it uses less digits than its factorization.

2380818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36089.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2380818 is about 1542.9899546011. The cubic root of 2380818 is about 133.5289392859.

The spelling of 2380818 in words is "two million, three hundred eighty thousand, eight hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 36073 72146 108219 216438 396803 793606 1190409 2380818