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11920042 = 210875483
BaseRepresentation
bin101101011110…
…001010101010
3211102121020001
4231132022222
511022420132
61103253214
7203214211
oct55361252
924377201
1011920042
116801782
123baa20a
1326147a4
141824078
1510a6ce7
hexb5e2aa

11920042 has 8 divisors (see below), whose sum is σ = 17899776. Its totient is φ = 5953452.

The previous prime is 11920033. The next prime is 11920061. The reversal of 11920042 is 24002911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 568 + ... + 4915.

It is an arithmetic number, because the mean of its divisors is an integer number (2237472).

Almost surely, 211920042 is an apocalyptic number.

11920042 is a deficient number, since it is larger than the sum of its proper divisors (5979734).

11920042 is a wasteful number, since it uses less digits than its factorization.

11920042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11920042 is about 3452.5413828077. The cubic root of 11920042 is about 228.4332201305.

Adding to 11920042 its reverse (24002911), we get a palindrome (35922953).

The spelling of 11920042 in words is "eleven million, nine hundred twenty thousand, forty-two".

Divisors: 1 2 1087 2174 5483 10966 5960021 11920042