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40871136 = 2532711571
BaseRepresentation
bin1001101111101…
…0010011100000
32211220110122210
42123322103200
540430334021
64020002120
71004253555
oct233722340
984813583
1040871136
11210860a9
1211830340
138610207
1455dca2c
1538c4e76
hex26fa4e0

40871136 has 48 divisors (see below), whose sum is σ = 107751168. Its totient is φ = 13564800.

The previous prime is 40871107. The next prime is 40871141. The reversal of 40871136 is 63117804.

It is a happy number.

40871136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 25231 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (2244816).

Almost surely, 240871136 is an apocalyptic number.

It is an amenable number.

40871136 is an abundant number, since it is smaller than the sum of its proper divisors (66880032).

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

40871136 is a wasteful number, since it uses less digits than its factorization.

40871136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40871136 is about 6393.0537304171. The cubic root of 40871136 is about 344.4600838623.

The spelling of 40871136 in words is "forty million, eight hundred seventy-one thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 271 542 813 1084 1571 1626 2168 3142 3252 4336 4713 6284 6504 8672 9426 12568 13008 18852 25136 26016 37704 50272 75408 150816 425741 851482 1277223 1702964 2554446 3405928 5108892 6811856 10217784 13623712 20435568 40871136