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11444780 = 225572239
BaseRepresentation
bin101011101010…
…001000101100
3210112110021202
4223222020230
510412213110
61045145032
7166164464
oct53521054
923473252
1011444780
1165076a6
1239bb178
1324a9379
14173cba4
1510110a5
hexaea22c

11444780 has 12 divisors (see below), whose sum is σ = 24034080. Its totient is φ = 4577904.

The previous prime is 11444779. The next prime is 11444789. The reversal of 11444780 is 8744411.

It is not an unprimeable number, because it can be changed into a prime (11444789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286100 + ... + 286139.

It is an arithmetic number, because the mean of its divisors is an integer number (2002840).

Almost surely, 211444780 is an apocalyptic number.

11444780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11444780 is an abundant number, since it is smaller than the sum of its proper divisors (12589300).

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

11444780 is a wasteful number, since it uses less digits than its factorization.

11444780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572248 (or 572246 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 11444780 is about 3383.0134495742. The cubic root of 11444780 is about 225.3560125238.

The spelling of 11444780 in words is "eleven million, four hundred forty-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 572239 1144478 2288956 2861195 5722390 11444780