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40211245 = 523349663
BaseRepresentation
bin1001100101100…
…1001100101101
32210122221110101
42121121030231
540243224440
63553511101
7665534644
oct231311455
983587411
1040211245
1120775338
1211572491
13843ba49
1454aa35b
1537e469a
hex265932d

40211245 has 8 divisors (see below), whose sum is σ = 50351616. Its totient is φ = 30770256.

The previous prime is 40211243. The next prime is 40211257. The reversal of 40211245 is 54211204.

40211245 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 a cyclic number.

It is not a de Polignac number, because 40211245 - 21 = 40211243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211243) 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 7 ways as a sum of consecutive naturals, for example, 174717 + ... + 174946.

It is an arithmetic number, because the mean of its divisors is an integer number (6293952).

Almost surely, 240211245 is an apocalyptic number.

It is an amenable number.

40211245 is a deficient number, since it is larger than the sum of its proper divisors (10140371).

40211245 is a wasteful number, since it uses less digits than its factorization.

40211245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349691.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40211245 is about 6341.2337127723. The cubic root of 40211245 is about 342.5961723995.

Adding to 40211245 its reverse (54211204), we get a palindrome (94422449).

The spelling of 40211245 in words is "forty million, two hundred eleven thousand, two hundred forty-five".

Divisors: 1 5 23 115 349663 1748315 8042249 40211245