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5442444 = 2233723313
BaseRepresentation
bin10100110000101110001100
3101020111122000
4110300232030
52343124234
6312352300
764155120
oct24605614
911214560
105442444
113087a97
1219a5690
1311872a7
14a19580
15727899
hex530b8c

5442444 has 96 divisors (see below), whose sum is σ = 16880640. Its totient is φ = 1482624.

The previous prime is 5442427. The next prime is 5442449. The reversal of 5442444 is 4442445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5442449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17232 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (175840).

Almost surely, 25442444 is an apocalyptic number.

5442444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5442444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8440320).

5442444 is an abundant number, since it is smaller than the sum of its proper divisors (11438196).

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

5442444 is a wasteful number, since it uses less digits than its factorization.

5442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 5442444 is about 2332.9046272833. The cubic root of 5442444 is about 175.8995208149.

Adding to 5442444 its reverse (4442445), we get a palindrome (9884889).

Subtracting from 5442444 its reverse (4442445), we obtain a palindrome (999999).

It can be divided in two parts, 5442 and 444, that added together give a triangular number (5886 = T108).

The spelling of 5442444 in words is "five million, four hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 42 46 54 63 69 84 92 108 126 138 161 189 207 252 276 313 322 378 414 483 621 626 644 756 828 939 966 1242 1252 1449 1878 1932 2191 2484 2817 2898 3756 4347 4382 5634 5796 6573 7199 8451 8694 8764 11268 13146 14398 16902 17388 19719 21597 26292 28796 33804 39438 43194 50393 59157 64791 78876 86388 100786 118314 129582 151179 194373 201572 236628 259164 302358 388746 453537 604716 777492 907074 1360611 1814148 2721222 5442444