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41131240 = 23510110181
BaseRepresentation
bin1001110011100…
…1110011101000
32212101200110021
42130321303220
541012144430
64025330224
71006416103
oct234716350
985350407
1041131240
1121243567
1211936974
1386a1717
14566973a
15392707a
hex2739ce8

41131240 has 32 divisors (see below), whose sum is σ = 93470760. Its totient is φ = 16288000.

The previous prime is 41131213. The next prime is 41131243. The reversal of 41131240 is 4213114.

It can be written as a sum of positive squares in 4 ways, for example, as 40525956 + 605284 = 6366^2 + 778^2 .

It is not an unprimeable number, because it can be changed into a prime (41131243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 9130.

Almost surely, 241131240 is an apocalyptic number.

41131240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41131240 is an abundant number, since it is smaller than the sum of its proper divisors (52339520).

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

41131240 is a wasteful number, since it uses less digits than its factorization.

41131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10293 (or 10289 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 41131240 is about 6413.3641717900. The cubic root of 41131240 is about 345.1892541413.

Adding to 41131240 its reverse (4213114), we get a palindrome (45344354).

It can be divided in two parts, 41 and 131240, that multiplied together give a triangular number (5380840 = T3280).

The spelling of 41131240 in words is "forty-one million, one hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 10181 20362 40724 50905 81448 101810 203620 407240 1028281 2056562 4113124 5141405 8226248 10282810 20565620 41131240