Search a number
-
+
44442 = 233823
BaseRepresentation
bin1010110110011010
32020222000
422312122
52410232
6541430
7243366
oct126632
966860
1044442
1130432
1221876
13172c8
14122a6
15d27c
hexad9a

44442 has 16 divisors (see below), whose sum is σ = 98880. Its totient is φ = 14796.

The previous prime is 44417. The next prime is 44449. The reversal of 44442 is 24444.

Adding to 44442 its reverse (24444), we get a palindrome (68886).

It can be divided in two parts, 4444 and 2, that multiplied together give a palindrome (8888).

It is a happy number.

It is a super-3 number, since 3×444423 = 263331031196664, which contains 333 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44449) 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, 358 + ... + 465.

It is an arithmetic number, because the mean of its divisors is an integer number (6180).

244442 is an apocalyptic number.

44442 is an abundant number, since it is smaller than the sum of its proper divisors (54438).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49440).

44442 is a wasteful number, since it uses less digits than its factorization.

44442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 828 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 44442 is about 210.8127130891. The cubic root of 44442 is about 35.4213028917.

The spelling of 44442 in words is "forty-four thousand, four hundred forty-two", and thus it is an iban number.

Divisors: 1 2 3 6 9 18 27 54 823 1646 2469 4938 7407 14814 22221 44442