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40090652 = 2271431809
BaseRepresentation
bin1001100011101…
…1110000011100
32210102211000222
42120323300130
540230400102
63551140512
7664523240
oct230736034
983384028
1040090652
11206a2778
1211514738
1383c8ba4
145478420
1537bdaa2
hex263bc1c

40090652 has 12 divisors (see below), whose sum is σ = 80181360. Its totient is φ = 17181696.

The previous prime is 40090649. The next prime is 40090669. The reversal of 40090652 is 25609004.

40090652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40090652 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 715877 + ... + 715932.

It is an arithmetic number, because the mean of its divisors is an integer number (6681780).

Almost surely, 240090652 is an apocalyptic number.

It is an amenable number.

40090652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40090652 is a wasteful number, since it uses less digits than its factorization.

40090652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431820 (or 1431818 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40090652 is about 6331.7179343366. The cubic root of 40090652 is about 342.2533489769.

Adding to 40090652 its reverse (25609004), we get a palindrome (65699656).

The spelling of 40090652 in words is "forty million, ninety thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 1431809 2863618 5727236 10022663 20045326 40090652