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40306485 = 354165539
BaseRepresentation
bin1001100111000…
…0011100110101
32210211210002210
42121300130311
540304301420
63555524033
7666412422
oct231603465
983753083
1040306485
112082a94a
12115b9619
1384731bb
1454d2d49
1538129e0
hex2670735

40306485 has 16 divisors (see below), whose sum is σ = 66064320. Its totient is φ = 20972160.

The previous prime is 40306481. The next prime is 40306489. The reversal of 40306485 is 58460304.

40306485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40306481) and next prime (40306489).

It is not a de Polignac number, because 40306485 - 22 = 40306481 is a prime.

It is a super-2 number, since 2×403064852 = 3249225466110450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40306481) 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 15 ways as a sum of consecutive naturals, for example, 32155 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (4129020).

Almost surely, 240306485 is an apocalyptic number.

It is an amenable number.

40306485 is a deficient number, since it is larger than the sum of its proper divisors (25757835).

40306485 is a wasteful number, since it uses less digits than its factorization.

40306485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65588.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40306485 is about 6348.7388511420. The cubic root of 40306485 is about 342.8664378680.

Adding to 40306485 its reverse (58460304), we get a palindrome (98766789).

The spelling of 40306485 in words is "forty million, three hundred six thousand, four hundred eighty-five".

Divisors: 1 3 5 15 41 123 205 615 65539 196617 327695 983085 2687099 8061297 13435495 40306485