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1993395 = 35132893
BaseRepresentation
bin111100110101010110011
310202021102110
413212222303
51002242040
6110420403
722641435
oct7465263
93667373
101993395
111141738
12801703
1354a431
1439c655
15295980
hex1e6ab3

1993395 has 8 divisors (see below), whose sum is σ = 3189456. Its totient is φ = 1063136.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993395 is 5933991.

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

It is a cyclic number.

It is not a de Polignac number, because 1993395 - 25 = 1993363 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 66432 + ... + 66461.

It is an arithmetic number, because the mean of its divisors is an integer number (398682).

21993395 is an apocalyptic number.

1993395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1993395 is a deficient number, since it is larger than the sum of its proper divisors (1196061).

1993395 is a wasteful number, since it uses less digits than its factorization.

1993395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132901.

The product of its digits is 32805, while the sum is 39.

The square root of 1993395 is about 1411.8764110219. The cubic root of 1993395 is about 125.8532557183.

The spelling of 1993395 in words is "one million, nine hundred ninety-three thousand, three hundred ninety-five".

Divisors: 1 3 5 15 132893 398679 664465 1993395