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18041934 = 233006989
BaseRepresentation
bin100010011010…
…0110001001110
31020221121212210
41010310301032
514104320214
61442411250
7306232251
oct104646116
936847783
1018041934
11a203199
126060b26
133979101
142579098
1518b5b59
hex1134c4e

18041934 has 8 divisors (see below), whose sum is σ = 36083880. Its totient is φ = 6013976.

The previous prime is 18041921. The next prime is 18041939. The reversal of 18041934 is 43914081.

It is a happy number.

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

18041934 is an admirable number.

It is a super-2 number, since 2×180419342 = 651022764920712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18041939) 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 3 ways as a sum of consecutive naturals, for example, 1503489 + ... + 1503500.

It is an arithmetic number, because the mean of its divisors is an integer number (4510485).

Almost surely, 218041934 is an apocalyptic number.

18041934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18041934 is a wasteful number, since it uses less digits than its factorization.

18041934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006994.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18041934 is about 4247.5797814756. The cubic root of 18041934 is about 262.2774967132.

The spelling of 18041934 in words is "eighteen million, forty-one thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 3006989 6013978 9020967 18041934