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19316293 = 198911423
BaseRepresentation
bin100100110101…
…1111001000101
31100100100222021
41021223321011
514421110133
61530003141
7323120503
oct111537105
940310867
1019316293
11a9a3687
1265764b1
134004179
1427cb673
151a6852d
hex126be45

19316293 has 8 divisors (see below), whose sum is σ = 20563200. Its totient is φ = 18092448.

The previous prime is 19316287. The next prime is 19316303. The reversal of 19316293 is 39261391.

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 19316293 - 25 = 19316261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19316263) 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, 4021 + ... + 7402.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 219316293 is an apocalyptic number.

It is an amenable number.

19316293 is a deficient number, since it is larger than the sum of its proper divisors (1246907).

19316293 is a wasteful number, since it uses less digits than its factorization.

19316293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531.

The product of its digits is 8748, while the sum is 34.

The square root of 19316293 is about 4395.0304890865. The cubic root of 19316293 is about 268.3127197192.

The spelling of 19316293 in words is "nineteen million, three hundred sixteen thousand, two hundred ninety-three".

Divisors: 1 19 89 1691 11423 217037 1016647 19316293