Search a number
-
+
40283189 = 231751443
BaseRepresentation
bin1001100110101…
…0110000110101
32210210121010222
42121222300311
540303030224
63555224125
7666254462
oct231526065
983717128
1040283189
11208143a1
12115a8045
13846570b
1454c8669
15380ab5e
hex266ac35

40283189 has 4 divisors (see below), whose sum is σ = 42034656. Its totient is φ = 38531724.

The previous prime is 40283171. The next prime is 40283203. The reversal of 40283189 is 98138204.

It is a happy number.

40283189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40283189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40283129) 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, 875699 + ... + 875744.

It is an arithmetic number, because the mean of its divisors is an integer number (10508664).

Almost surely, 240283189 is an apocalyptic number.

It is an amenable number.

40283189 is a deficient number, since it is larger than the sum of its proper divisors (1751467).

40283189 is a wasteful number, since it uses less digits than its factorization.

40283189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751466.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 40283189 is about 6346.9038908747. The cubic root of 40283189 is about 342.8003694602.

The spelling of 40283189 in words is "forty million, two hundred eighty-three thousand, one hundred eighty-nine".

Divisors: 1 23 1751443 40283189