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40650505 = 571161443
BaseRepresentation
bin1001101100010…
…0011100001001
32211111021000021
42123010130021
540401304010
64011140441
71002344410
oct233043411
984437007
1040650505
1120a45365
1211744721
13856396c
145582477
15387e8da
hex26c4709

40650505 has 8 divisors (see below), whose sum is σ = 55749312. Its totient is φ = 27874608.

The previous prime is 40650487. The next prime is 40650509. The reversal of 40650505 is 50505604.

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 40650505 - 211 = 40648457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40650505.

It is not an unprimeable number, because it can be changed into a prime (40650509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580687 + ... + 580756.

It is an arithmetic number, because the mean of its divisors is an integer number (6968664).

Almost surely, 240650505 is an apocalyptic number.

It is an amenable number.

40650505 is a deficient number, since it is larger than the sum of its proper divisors (15098807).

40650505 is a wasteful number, since it uses less digits than its factorization.

40650505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161455.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 40650505 is about 6375.7748548706. The cubic root of 40650505 is about 343.8391425011.

The spelling of 40650505 in words is "forty million, six hundred fifty thousand, five hundred five".

Divisors: 1 5 7 35 1161443 5807215 8130101 40650505