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40620085 = 511738547
BaseRepresentation
bin1001101011110…
…1000000110101
32211102201021121
42122331000311
540344320320
64010343541
71002156622
oct232750065
984381247
1040620085
1120a24520
121172abb1
138552b6c
145575349
1538758aa
hex26bd035

40620085 has 8 divisors (see below), whose sum is σ = 53175456. Its totient is φ = 29541840.

The previous prime is 40620077. The next prime is 40620121. The reversal of 40620085 is 58002604.

40620085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40620085 - 23 = 40620077 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 369219 + ... + 369328.

It is an arithmetic number, because the mean of its divisors is an integer number (6646932).

Almost surely, 240620085 is an apocalyptic number.

It is an amenable number.

40620085 is a deficient number, since it is larger than the sum of its proper divisors (12555371).

40620085 is a wasteful number, since it uses less digits than its factorization.

40620085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738563.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40620085 is about 6373.3888160068. The cubic root of 40620085 is about 343.7533526946.

Adding to 40620085 its reverse (58002604), we get a palindrome (98622689).

The spelling of 40620085 in words is "forty million, six hundred twenty thousand, eighty-five".

Divisors: 1 5 11 55 738547 3692735 8124017 40620085