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18040062 = 233006677
BaseRepresentation
bin100010011010…
…0010011111110
31020221112022110
41010310103332
514104240222
61442354450
7306223635
oct104642376
936845273
1018040062
11a201847
12605ba26
1339782c1
14257851c
1518b530c
hex11344fe

18040062 has 8 divisors (see below), whose sum is σ = 36080136. Its totient is φ = 6013352.

The previous prime is 18040051. The next prime is 18040069. The reversal of 18040062 is 26004081.

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

18040062 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18040069) 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 3 ways as a sum of consecutive naturals, for example, 1503333 + ... + 1503344.

It is an arithmetic number, because the mean of its divisors is an integer number (4510017).

Almost surely, 218040062 is an apocalyptic number.

18040062 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.

18040062 is a wasteful number, since it uses less digits than its factorization.

18040062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006682.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18040062 is about 4247.3594149777. The cubic root of 18040062 is about 262.2684252457.

The spelling of 18040062 in words is "eighteen million, forty thousand, sixty-two".

Divisors: 1 2 3 6 3006677 6013354 9020031 18040062