Search a number
-
+
40074 = 236679
BaseRepresentation
bin1001110010001010
32000222020
421302022
52240244
6505310
7224556
oct116212
960866
1040074
1128121
121b236
1315318
1410866
15bd19
hex9c8a

40074 has 8 divisors (see below), whose sum is σ = 80160. Its totient is φ = 13356.

The previous prime is 40063. The next prime is 40087. The reversal of 40074 is 47004.

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

40074 is an admirable number.

40074 is a modest number, since divided by 74 gives 40 as remainder.

It is a Curzon number.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (10020).

240074 is an apocalyptic number.

40074 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40080).

40074 is a wasteful number, since it uses less digits than its factorization.

40074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 40074 is about 200.1849145166. The cubic root of 40074 is about 34.2205956449.

Adding to 40074 its product of nonzero digits (112), we get a triangular number (40186 = T283).

Adding to 40074 its reverse (47004), we get a palindrome (87078).

It can be divided in two parts, 400 and 74, that added together give a palindrome (474).

The spelling of 40074 in words is "forty thousand, seventy-four", and thus it is an iban number.

Divisors: 1 2 3 6 6679 13358 20037 40074