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11920002 = 2310971811
BaseRepresentation
bin101101011110…
…001010000010
3211102121011120
4231132022002
511022420002
61103253110
7203214123
oct55361202
924377146
1011920002
116801746
123baa196
132614773
14182404a
1510a6cbc
hexb5e282

11920002 has 16 divisors (see below), whose sum is σ = 23874912. Its totient is φ = 3967520.

The previous prime is 11920001. The next prime is 11920033. The reversal of 11920002 is 20002911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11920001) 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 7 ways as a sum of consecutive naturals, for example, 5677 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (1492182).

Almost surely, 211920002 is an apocalyptic number.

11920002 is an abundant number, since it is smaller than the sum of its proper divisors (11954910).

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

11920002 is a wasteful number, since it uses less digits than its factorization.

11920002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 11920002 is about 3452.5355899686. The cubic root of 11920002 is about 228.4329646130.

Adding to 11920002 its reverse (20002911), we get a palindrome (31922913).

The spelling of 11920002 in words is "eleven million, nine hundred twenty thousand, two".

Divisors: 1 2 3 6 1097 1811 2194 3291 3622 5433 6582 10866 1986667 3973334 5960001 11920002