Search a number
-
+
3980897 = 4322153
BaseRepresentation
bin1111001011111001100001
321111020202122
433023321201
52004342042
6221154025
745560054
oct17137141
97436678
103980897
1122799a8
1213bb915
13a94c7b
14758a9b
155397d2
hex3cbe61

3980897 has 6 divisors (see below), whose sum is σ = 4077522. Its totient is φ = 3886512.

The previous prime is 3980891. The next prime is 3980957. The reversal of 3980897 is 7980893.

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 1449616 = 1591^2 + 1204^2 .

It is not a de Polignac number, because 3980897 - 212 = 3976801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3980891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 773 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (679587).

Almost surely, 23980897 is an apocalyptic number.

It is an amenable number.

3980897 is a deficient number, since it is larger than the sum of its proper divisors (96625).

3980897 is an equidigital number, since it uses as much as digits as its factorization.

3980897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 3980897 is about 1995.2185343967. The cubic root of 3980897 is about 158.4870008280.

The spelling of 3980897 in words is "three million, nine hundred eighty thousand, eight hundred ninety-seven".

Divisors: 1 43 1849 2153 92579 3980897