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1993053 = 36110891
BaseRepresentation
bin111100110100101011101
310202020221210
413212211131
51002234203
6110415033
722640436
oct7464535
93666853
101993053
111141457
12801479
1354a22a
1439c48d
15295803
hex1e695d

1993053 has 8 divisors (see below), whose sum is σ = 2701216. Its totient is φ = 1306800.

The previous prime is 1993039. The next prime is 1993067. The reversal of 1993053 is 3503991.

It is an interprime number because it is at equal distance from previous prime (1993039) and next prime (1993067).

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

It is not a de Polignac number, because 1993053 - 24 = 1993037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1993053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993553) 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 7 ways as a sum of consecutive naturals, for example, 5263 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (337652).

21993053 is an apocalyptic number.

It is an amenable number.

1993053 is a deficient number, since it is larger than the sum of its proper divisors (708163).

1993053 is a wasteful number, since it uses less digits than its factorization.

1993053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10955.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1993053 is about 1411.7552904098. The cubic root of 1993053 is about 125.8460579017.

The spelling of 1993053 in words is "one million, nine hundred ninety-three thousand, fifty-three".

Divisors: 1 3 61 183 10891 32673 664351 1993053