Search a number
-
+
4397984 = 25137437
BaseRepresentation
bin10000110001101110100000
322021102220022
4100301232200
52111213414
6234133012
752245053
oct20615640
98242808
104397984
1125342a8
121581168
13baca76
14826a9a
155bd18e
hex431ba0

4397984 has 12 divisors (see below), whose sum is σ = 8658594. Its totient is φ = 2198976.

The previous prime is 4397983. The next prime is 4397999. The reversal of 4397984 is 4897934.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 1507984 = 1700^2 + 1228^2 .

It is not an unprimeable number, because it can be changed into a prime (4397983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68687 + ... + 68750.

Almost surely, 24397984 is an apocalyptic number.

It is an amenable number.

4397984 is a deficient number, since it is larger than the sum of its proper divisors (4260610).

4397984 is a wasteful number, since it uses less digits than its factorization.

4397984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137447 (or 137439 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 4397984 is about 2097.1370961384. The cubic root of 4397984 is about 163.8392237563.

The spelling of 4397984 in words is "four million, three hundred ninety-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 137437 274874 549748 1099496 2198992 4397984