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11920744 = 2311135463
BaseRepresentation
bin101101011110…
…010101101000
3211102122012001
4231132111220
511022430434
61103300344
7203216233
oct55362550
924378161
1011920744
116802260
123baa6b4
132614bc4
14182441a
1510a7114
hexb5e568

11920744 has 16 divisors (see below), whose sum is σ = 24383520. Its totient is φ = 5418480.

The previous prime is 11920721. The next prime is 11920747. The reversal of 11920744 is 44702911.

It is not an unprimeable number, because it can be changed into a prime (11920747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67644 + ... + 67819.

It is an arithmetic number, because the mean of its divisors is an integer number (1523970).

Almost surely, 211920744 is an apocalyptic number.

It is an amenable number.

11920744 is an abundant number, since it is smaller than the sum of its proper divisors (12462776).

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

11920744 is a wasteful number, since it uses less digits than its factorization.

11920744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135480 (or 135476 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11920744 is about 3452.6430455522. The cubic root of 11920744 is about 228.4377043701.

The spelling of 11920744 in words is "eleven million, nine hundred twenty thousand, seven hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 135463 270926 541852 1083704 1490093 2980186 5960372 11920744