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41287140 = 22325229373
BaseRepresentation
bin1001110101111…
…1110111100100
32212200121022100
42131133313210
541032142030
64032532100
71010635446
oct235376744
985617270
1041287140
112133a704
12119b1030
13872767b
1456aa496
153958360
hex275fde4

41287140 has 36 divisors (see below), whose sum is σ = 125238204. Its totient is φ = 11009856.

The previous prime is 41287111. The next prime is 41287151. The reversal of 41287140 is 4178214.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 23444964 = 4224^2 + 4842^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114507 + ... + 114866.

It is an arithmetic number, because the mean of its divisors is an integer number (3478839).

Almost surely, 241287140 is an apocalyptic number.

It is an amenable number.

41287140 is an abundant number, since it is smaller than the sum of its proper divisors (83951064).

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

41287140 is a wasteful number, since it uses less digits than its factorization.

41287140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229388 (or 229383 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 41287140 is about 6425.5069838885. The cubic root of 41287140 is about 345.6248286239.

The spelling of 41287140 in words is "forty-one million, two hundred eighty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 229373 458746 688119 917492 1146865 1376238 2064357 2293730 2752476 3440595 4128714 4587460 6881190 8257428 10321785 13762380 20643570 41287140