Search a number
-
+
440044 = 221173137
BaseRepresentation
bin1101011011011101100
3211100121221
41223123230
5103040134
613233124
73511633
oct1533354
9740557
10440044
11280680
121927a4
131253a7
14b651a
158a5b4
hex6b6ec

440044 has 24 divisors (see below), whose sum is σ = 857808. Its totient is φ = 195840.

The previous prime is 440039. The next prime is 440047.

440044 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (440047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (35742).

2440044 is an apocalyptic number.

440044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440044 is a deficient number, since it is larger than the sum of its proper divisors (417764).

440044 is a wasteful number, since it uses less digits than its factorization.

440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 440044 is about 663.3581234899. The cubic root of 440044 is about 76.0615844324.

It can be divided in two parts, 4400 and 44, that multiplied together give a square (193600 = 4402).

The spelling of 440044 in words is "four hundred forty thousand, forty-four", and thus it is an iban number.

Divisors: 1 2 4 11 22 44 73 137 146 274 292 548 803 1507 1606 3014 3212 6028 10001 20002 40004 110011 220022 440044