Search a number
-
+
40231324 = 22723179349
BaseRepresentation
bin1001100101111…
…0000110011100
32210200222000001
42121132012130
540244400244
63554144044
7665650330
oct231360634
983628001
1040231324
1120789431
1211582024
138447c23
1454b37c0
1537ea5d4
hex265e19c

40231324 has 48 divisors (see below), whose sum is σ = 84672000. Its totient is φ = 16353216.

The previous prime is 40231319. The next prime is 40231339. The reversal of 40231324 is 42313204.

40231324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 115102 + ... + 115450.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 240231324 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 40231324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42336000).

40231324 is an abundant number, since it is smaller than the sum of its proper divisors (44440676).

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

40231324 is a wasteful number, since it uses less digits than its factorization.

40231324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40231324 is about 6342.8167244529. The cubic root of 40231324 is about 342.6531866658.

Adding to 40231324 its reverse (42313204), we get a palindrome (82544528).

The spelling of 40231324 in words is "forty million, two hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 179 322 349 358 644 698 716 1253 1396 2443 2506 4117 4886 5012 8027 8234 9772 16054 16468 28819 32108 56189 57638 62471 112378 115276 124942 224756 249884 437297 874594 1436833 1749188 2873666 5747332 10057831 20115662 40231324