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40143710 = 257575303
BaseRepresentation
bin1001100100100…
…0101101011110
32210112111211002
42121020231132
540234044320
63552230302
7665134025
oct231105536
983474732
1040143710
1120729622
121153b392
138417099
14548d8bc
1537ce675
hex2648b5e

40143710 has 16 divisors (see below), whose sum is σ = 72367776. Its totient is φ = 16033248.

The previous prime is 40143703. The next prime is 40143721. The reversal of 40143710 is 1734104.

40143710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401437102 = 3223034905128200, which contains 22 as substring.

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, 4919 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (4522986).

Almost surely, 240143710 is an apocalyptic number.

40143710 is a deficient number, since it is larger than the sum of its proper divisors (32224066).

40143710 is a wasteful number, since it uses less digits than its factorization.

40143710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40143710 is about 6335.9064071370. The cubic root of 40143710 is about 342.4042675593.

Adding to 40143710 its reverse (1734104), we get a palindrome (41877814).

The spelling of 40143710 in words is "forty million, one hundred forty-three thousand, seven hundred ten".

Divisors: 1 2 5 10 757 1514 3785 5303 7570 10606 26515 53030 4014371 8028742 20071855 40143710