Search a number
-
+
40211532 = 22331991871
BaseRepresentation
bin1001100101100…
…1010001001100
32210122221212000
42121121101030
540243232112
63553512300
7665535534
oct231312114
983587760
1040211532
1120775579
1211572690
13843bc0a
1454aa4c4
1537e47dc
hex265944c

40211532 has 48 divisors (see below), whose sum is σ = 104832000. Its totient is φ = 13329360.

The previous prime is 40211531. The next prime is 40211537. The reversal of 40211532 is 23511204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40211531) 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 15 ways as a sum of consecutive naturals, for example, 20557 + ... + 22427.

It is an arithmetic number, because the mean of its divisors is an integer number (2184000).

Almost surely, 240211532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40211532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52416000).

40211532 is an abundant number, since it is smaller than the sum of its proper divisors (64620468).

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

40211532 is a wasteful number, since it uses less digits than its factorization.

40211532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40211532 is about 6341.2563423978. The cubic root of 40211532 is about 342.5969874689.

Adding to 40211532 its reverse (23511204), we get a palindrome (63722736).

The spelling of 40211532 in words is "forty million, two hundred eleven thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 199 398 597 796 1194 1791 1871 2388 3582 3742 5373 5613 7164 7484 10746 11226 16839 21492 22452 33678 50517 67356 101034 202068 372329 744658 1116987 1489316 2233974 3350961 4467948 6701922 10052883 13403844 20105766 40211532