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41231340 = 223251571459
BaseRepresentation
bin1001110101001…
…0001111101100
32212120202202200
42131102033230
541023400330
64031421500
71010313663
oct235221754
985522680
1041231340
1121301797
1211984890
138708157
145693dda
153946a60
hex27523ec

41231340 has 72 divisors (see below), whose sum is σ = 125951280. Its totient is φ = 10917504.

The previous prime is 41231317. The next prime is 41231347. The reversal of 41231340 is 4313214.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41231347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27531 + ... + 28989.

Almost surely, 241231340 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 41231340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62975640).

41231340 is an abundant number, since it is smaller than the sum of its proper divisors (84719940).

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

41231340 is a wasteful number, since it uses less digits than its factorization.

41231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 41231340 is about 6421.1634459808. The cubic root of 41231340 is about 345.4690532395.

Adding to 41231340 its reverse (4313214), we get a palindrome (45544554).

The spelling of 41231340 in words is "forty-one million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 157 180 314 471 628 785 942 1413 1459 1570 1884 2355 2826 2918 3140 4377 4710 5652 5836 7065 7295 8754 9420 13131 14130 14590 17508 21885 26262 28260 29180 43770 52524 65655 87540 131310 229063 262620 458126 687189 916252 1145315 1374378 2061567 2290630 2748756 3435945 4123134 4581260 6871890 8246268 10307835 13743780 20615670 41231340