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943889942 = 21924839209
BaseRepresentation
bin111000010000101…
…001111000010110
32102210002120120202
4320100221320112
53413113434232
6233354500502
732250634502
oct7020517026
92383076522
10943889942
1144488a536
12224134732
13120722978
148d503302
1557ceb162
hex38429e16

943889942 has 8 divisors (see below), whose sum is σ = 1490352600. Its totient is φ = 447105744.

The previous prime is 943889917. The next prime is 943889957. The reversal of 943889942 is 249988349.

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

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 in 3 ways as a sum of consecutive naturals, for example, 12419567 + ... + 12419642.

It is an arithmetic number, because the mean of its divisors is an integer number (186294075).

Almost surely, 2943889942 is an apocalyptic number.

943889942 is a deficient number, since it is larger than the sum of its proper divisors (546462658).

943889942 is a wasteful number, since it uses less digits than its factorization.

943889942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24839230.

The product of its digits is 4478976, while the sum is 56.

The square root of 943889942 is about 30722.7918978728. The cubic root of 943889942 is about 980.9355019434.

The spelling of 943889942 in words is "nine hundred forty-three million, eight hundred eighty-nine thousand, nine hundred forty-two".

Divisors: 1 2 19 38 24839209 49678418 471944971 943889942