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120141444 = 22383911933
BaseRepresentation
bin1110010100100…
…11011010000100
322101001211002010
413022103122010
5221224011234
615531014220
72656120413
oct712233204
9271054063
10120141444
11618a9055
123429a370
131bb76417
1411d5547a
15a8326e9
hex7293684

120141444 has 24 divisors (see below), whose sum is σ = 280687680. Its totient is φ = 39996064.

The previous prime is 120141433. The next prime is 120141449. The reversal of 120141444 is 444141021.

It is a self number, because there is not a number n which added to its sum of digits gives 120141444.

It is not an unprimeable number, because it can be changed into a prime (120141449) 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, 4102 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (11695320).

Almost surely, 2120141444 is an apocalyptic number.

It is an amenable number.

120141444 is an abundant number, since it is smaller than the sum of its proper divisors (160546236).

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

120141444 is a wasteful number, since it uses less digits than its factorization.

120141444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779 (or 12777 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 120141444 is about 10960.9052545855. The cubic root of 120141444 is about 493.4361337187.

Adding to 120141444 its reverse (444141021), we get a palindrome (564282465).

The spelling of 120141444 in words is "one hundred twenty million, one hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 839 1678 2517 3356 5034 10068 11933 23866 35799 47732 71598 143196 10011787 20023574 30035361 40047148 60070722 120141444