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18893341 = 173892857
BaseRepresentation
bin100100000010…
…0101000011101
31022112212210101
41020010220131
514314041331
61512541101
7316406425
oct110045035
938485711
1018893341
11a734935
1263b1791
133bb67bc
14271b485
1519d3061
hex1204a1d

18893341 has 8 divisors (see below), whose sum is σ = 20063160. Its totient is φ = 17730048.

The previous prime is 18893321. The next prime is 18893351. The reversal of 18893341 is 14339881.

It can be written as a sum of positive squares in 4 ways, for example, as 4186116 + 14707225 = 2046^2 + 3835^2 .

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

It is not a de Polignac number, because 18893341 - 25 = 18893309 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 18893341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18893321) 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, 5185 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (2507895).

Almost surely, 218893341 is an apocalyptic number.

It is an amenable number.

18893341 is a deficient number, since it is larger than the sum of its proper divisors (1169819).

18893341 is a wasteful number, since it uses less digits than its factorization.

18893341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 20736, while the sum is 37.

The square root of 18893341 is about 4346.6470986267. The cubic root of 18893341 is about 266.3399135002.

The spelling of 18893341 in words is "eighteen million, eight hundred ninety-three thousand, three hundred forty-one".

Divisors: 1 17 389 2857 6613 48569 1111373 18893341