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40542652 = 2223440681
BaseRepresentation
bin1001101010101…
…0000110111100
32211021210001201
42122222012330
540334331102
64004545244
71001415103
oct232520674
984253051
1040542652
1120981327
12116b2224
138526847
14555503a
15385c987
hex26aa1bc

40542652 has 12 divisors (see below), whose sum is σ = 74034576. Its totient is φ = 19389920.

The previous prime is 40542647. The next prime is 40542653. The reversal of 40542652 is 25624504.

40542652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40542652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 220249 + ... + 220432.

It is an arithmetic number, because the mean of its divisors is an integer number (6169548).

Almost surely, 240542652 is an apocalyptic number.

It is an amenable number.

40542652 is a deficient number, since it is larger than the sum of its proper divisors (33491924).

40542652 is a wasteful number, since it uses less digits than its factorization.

40542652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440708 (or 440706 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40542652 is about 6367.3112064670. The cubic root of 40542652 is about 343.5347844261.

The spelling of 40542652 in words is "forty million, five hundred forty-two thousand, six hundred fifty-two".

Divisors: 1 2 4 23 46 92 440681 881362 1762724 10135663 20271326 40542652