Search a number
-
+
440104 = 23729271
BaseRepresentation
bin1101011011100101000
3211100201011
41223130220
5103040404
613233304
73512050
oct1533450
9740634
10440104
11280725
12192834
13125422
14b6560
158a604
hex6b728

440104 has 32 divisors (see below), whose sum is σ = 979200. Its totient is φ = 181440.

The previous prime is 440101. The next prime is 440131. The reversal of 440104 is 401044.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (440101) 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, 1489 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2440104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489600).

440104 is an abundant number, since it is smaller than the sum of its proper divisors (539096).

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

440104 is a wasteful number, since it uses less digits than its factorization.

440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 440104 is about 663.4033463889. The cubic root of 440104 is about 76.0650412743.

Adding to 440104 its reverse (401044), we get a palindrome (841148).

Subtracting from 440104 its reverse (401044), we obtain a triangular number (39060 = T279).

The spelling of 440104 in words is "four hundred forty thousand, one hundred four", and thus it is an iban number.

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 271 406 542 812 1084 1624 1897 2168 3794 7588 7859 15176 15718 31436 55013 62872 110026 220052 440104