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392993995 = 5778910091
BaseRepresentation
bin10111011011001…
…001110011001011
31000101111011102011
4113123021303023
51301101301440
6102555120351
712511252042
oct2733116313
91011434364
10392993995
11191920229
12ab7430b7
136355a734
143a29d559
152477c9ea
hex176c9ccb

392993995 has 8 divisors (see below), whose sum is σ = 471700080. Its totient is φ = 314323680.

The previous prime is 392993969. The next prime is 392994001. The reversal of 392993995 is 599399293.

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

It is not a de Polignac number, because 392993995 - 215 = 392961227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33900 + ... + 43990.

It is an arithmetic number, because the mean of its divisors is an integer number (58962510).

Almost surely, 2392993995 is an apocalyptic number.

392993995 is a deficient number, since it is larger than the sum of its proper divisors (78706085).

392993995 is a wasteful number, since it uses less digits than its factorization.

392993995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17885.

The product of its digits is 5314410, while the sum is 58.

The square root of 392993995 is about 19824.0761449304. The cubic root of 392993995 is about 732.4792136895.

The spelling of 392993995 in words is "three hundred ninety-two million, nine hundred ninety-three thousand, nine hundred ninety-five".

Divisors: 1 5 7789 10091 38945 50455 78598799 392993995