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40324660 = 2256133053
BaseRepresentation
bin1001100111010…
…0111000110100
32210212201000221
42121310320310
540310342120
64000144124
7666516415
oct231647064
983781027
1040324660
1120842572
1211608044
13847b55c
1454d980c
1538180aa
hex2674e34

40324660 has 24 divisors (see below), whose sum is σ = 86072616. Its totient is φ = 15864960.

The previous prime is 40324651. The next prime is 40324723. The reversal of 40324660 is 6642304.

40324660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 38613796 = 1308^2 + 6214^2 .

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, 15307 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (3586359).

Almost surely, 240324660 is an apocalyptic number.

It is an amenable number.

40324660 is an abundant number, since it is smaller than the sum of its proper divisors (45747956).

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

40324660 is a wasteful number, since it uses less digits than its factorization.

40324660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33123 (or 33121 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40324660 is about 6350.1700764625. The cubic root of 40324660 is about 342.9179652347.

Adding to 40324660 its reverse (6642304), we get a palindrome (46966964).

The spelling of 40324660 in words is "forty million, three hundred twenty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 33053 66106 132212 165265 330530 661060 2016233 4032466 8064932 10081165 20162330 40324660