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444401340 = 223512795791
BaseRepresentation
bin11010011111010…
…000011010111100
31010222012221000220
4122133100122330
51402231320330
6112033021340
714004230505
oct3237203274
91128187026
10444401340
11208942339
121049b4850
13710b9596
1443041bac
1529034710
hex1a7d06bc

444401340 has 48 divisors (see below), whose sum is σ = 1245511680. Its totient is φ = 118393920.

The previous prime is 444401327. The next prime is 444401341. The reversal of 444401340 is 43104444.

It is a self number, because there is not a number n which added to its sum of digits gives 444401340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444401341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73845 + ... + 79635.

It is an arithmetic number, because the mean of its divisors is an integer number (25948160).

Almost surely, 2444401340 is an apocalyptic number.

It is an amenable number.

444401340 is an abundant number, since it is smaller than the sum of its proper divisors (801110340).

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

444401340 is a wasteful number, since it uses less digits than its factorization.

444401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082 (or 7080 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444401340 is about 21080.8287313379. The cubic root of 444401340 is about 763.1181564355.

Adding to 444401340 its reverse (43104444), we get a palindrome (487505784).

The spelling of 444401340 in words is "four hundred forty-four million, four hundred one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1279 2558 3837 5116 5791 6395 7674 11582 12790 15348 17373 19185 23164 25580 28955 34746 38370 57910 69492 76740 86865 115820 173730 347460 7406689 14813378 22220067 29626756 37033445 44440134 74066890 88880268 111100335 148133780 222200670 444401340