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17994053 = 711233689
BaseRepresentation
bin100010010100…
…1000101000101
31020212012012102
41010221011011
514101302203
61441401445
7305642540
oct104510505
936765172
1017994053
11a180220
126039285
13396038c
142565857
1518a6888
hex1129145

17994053 has 8 divisors (see below), whose sum is σ = 22434240. Its totient is φ = 14021280.

The previous prime is 17994023. The next prime is 17994077. The reversal of 17994053 is 35049971.

It is a happy number.

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

It is not a de Polignac number, because 17994053 - 214 = 17977669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17993998 and 17994016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17994013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116768 + ... + 116921.

It is an arithmetic number, because the mean of its divisors is an integer number (2804280).

Almost surely, 217994053 is an apocalyptic number.

It is an amenable number.

17994053 is a deficient number, since it is larger than the sum of its proper divisors (4440187).

17994053 is a wasteful number, since it uses less digits than its factorization.

17994053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233707.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 17994053 is about 4241.9397685493. The cubic root of 17994053 is about 262.0452741138.

The spelling of 17994053 in words is "seventeen million, nine hundred ninety-four thousand, fifty-three".

Divisors: 1 7 11 77 233689 1635823 2570579 17994053