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244203340240 = 2454217250693
BaseRepresentation
bin1110001101101110100…
…1110100000111010000
3212100022221200000211001
43203123221310013100
513000112023341430
6304104021031344
723433405100036
oct3433351640720
9770287600731
10244203340240
1194625467a52
123b3b3255554
131a04a1798c2
14bb68a14556
156543e9a3ca
hex38dba741d0

244203340240 has 40 divisors (see below), whose sum is σ = 569121473448. Its totient is φ = 97449300480.

The previous prime is 244203340217. The next prime is 244203340243. The reversal of 244203340240 is 42043302442.

It is a happy number.

244203340240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3090915216 + 241112425024 = 55596^2 + 491032^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 244203340199 and 244203340208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244203340243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591667 + ... + 3659026.

Almost surely, 2244203340240 is an apocalyptic number.

244203340240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244203340240 is an abundant number, since it is smaller than the sum of its proper divisors (324918133208).

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

244203340240 is a wasteful number, since it uses less digits than its factorization.

244203340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251127 (or 7251121 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 244203340240 its reverse (42043302442), we get a palindrome (286246642682).

The spelling of 244203340240 in words is "two hundred forty-four billion, two hundred three million, three hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 421 842 1684 2105 3368 4210 6736 8420 16840 33680 7250693 14501386 29002772 36253465 58005544 72506930 116011088 145013860 290027720 580055440 3052541753 6105083506 12210167012 15262708765 24420334024 30525417530 48840668048 61050835060 122101670120 244203340240