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8969942 = 24484971
BaseRepresentation
bin100010001101…
…111011010110
3121212201110002
4202031323112
54244014232
6520131302
7136146302
oct42157326
917781402
108969942
115077283
123006b32
131b20a77
141296d02
15bc2b62
hex88ded6

8969942 has 4 divisors (see below), whose sum is σ = 13454916. Its totient is φ = 4484970.

The previous prime is 8969923. The next prime is 8969959. The reversal of 8969942 is 2499698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2499698 = 21249849.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2242484 + ... + 2242487.

It is an arithmetic number, because the mean of its divisors is an integer number (3363729).

Almost surely, 28969942 is an apocalyptic number.

8969942 is a deficient number, since it is larger than the sum of its proper divisors (4484974).

8969942 is a wasteful number, since it uses less digits than its factorization.

8969942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484973.

The product of its digits is 279936, while the sum is 47.

The square root of 8969942 is about 2994.9861435406. The cubic root of 8969942 is about 207.7765567738.

The spelling of 8969942 in words is "eight million, nine hundred sixty-nine thousand, nine hundred forty-two".

Divisors: 1 2 4484971 8969942