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10942987 = 11994817
BaseRepresentation
bin101001101111…
…101000001011
3202120221221211
4221233220023
510300133422
61030313551
7162004516
oct51575013
922527854
1010942987
1161a46a0
1237b88b7
132361b53
14164bd7d
15e62577
hexa6fa0b

10942987 has 4 divisors (see below), whose sum is σ = 11937816. Its totient is φ = 9948160.

The previous prime is 10942979. The next prime is 10942999. The reversal of 10942987 is 78924901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78924901 = 117174991.

It is a cyclic number.

It is not a de Polignac number, because 10942987 - 23 = 10942979 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10942927) 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, 497398 + ... + 497419.

It is an arithmetic number, because the mean of its divisors is an integer number (2984454).

Almost surely, 210942987 is an apocalyptic number.

10942987 is a deficient number, since it is larger than the sum of its proper divisors (994829).

10942987 is an equidigital number, since it uses as much as digits as its factorization.

10942987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994828.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 10942987 is about 3308.0185912416. The cubic root of 10942987 is about 222.0131136912.

The spelling of 10942987 in words is "ten million, nine hundred forty-two thousand, nine hundred eighty-seven".

Divisors: 1 11 994817 10942987