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18483311 = 711240043
BaseRepresentation
bin100011010000…
…0100001101111
31021210001100002
41012200201233
514212431221
61500054515
7313051130
oct106404157
937701302
1018483311
11a484870
12623443b
133aa1c92
142651c87
15195180b
hex11a086f

18483311 has 8 divisors (see below), whose sum is σ = 23044224. Its totient is φ = 14402520.

The previous prime is 18483299. The next prime is 18483323. The reversal of 18483311 is 11338481.

It is an interprime number because it is at equal distance from previous prime (18483299) and next prime (18483323).

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

It is not a de Polignac number, because 18483311 - 218 = 18221167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18483331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119945 + ... + 120098.

It is an arithmetic number, because the mean of its divisors is an integer number (2880528).

Almost surely, 218483311 is an apocalyptic number.

18483311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18483311 is a deficient number, since it is larger than the sum of its proper divisors (4560913).

18483311 is a wasteful number, since it uses less digits than its factorization.

18483311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240061.

The product of its digits is 2304, while the sum is 29.

The square root of 18483311 is about 4299.2221389456. Note that the first 3 decimals coincide. The cubic root of 18483311 is about 264.3990702711.

The spelling of 18483311 in words is "eighteen million, four hundred eighty-three thousand, three hundred eleven".

Divisors: 1 7 11 77 240043 1680301 2640473 18483311