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11970642 = 231995107
BaseRepresentation
bin101101101010…
…100001010010
3211112011122010
4231222201102
511031030032
61104323350
7203514555
oct55524122
924464563
1011970642
1168367a2
124013556
132631828
14183869c
1510b6ccc
hexb6a852

11970642 has 8 divisors (see below), whose sum is σ = 23941296. Its totient is φ = 3990212.

The previous prime is 11970587. The next prime is 11970643. The reversal of 11970642 is 24607911.

It is a happy number.

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

11970642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11970643) 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, 997548 + ... + 997559.

It is an arithmetic number, because the mean of its divisors is an integer number (2992662).

Almost surely, 211970642 is an apocalyptic number.

11970642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11970642 is a wasteful number, since it uses less digits than its factorization.

11970642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995112.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 11970642 is about 3459.8615579240. The cubic root of 11970642 is about 228.7559931542.

The spelling of 11970642 in words is "eleven million, nine hundred seventy thousand, six hundred forty-two".

Divisors: 1 2 3 6 1995107 3990214 5985321 11970642