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40050505 = 511728191
BaseRepresentation
bin1001100011000…
…1111101001001
32210100202222001
42120301331021
540223104010
63550231001
7664265215
oct230617511
983322861
1040050505
11206755a0
12114b5461
1383b3831
145467945
1537b1c3a
hex2631f49

40050505 has 8 divisors (see below), whose sum is σ = 52429824. Its totient is φ = 29127600.

The previous prime is 40050473. The next prime is 40050509. The reversal of 40050505 is 50505004.

It is a happy number.

40050505 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 40050505 - 25 = 40050473 is a prime.

It is a Duffinian number.

40050505 is a modest number, since divided by 50505 gives 40 as remainder.

It is not an unprimeable number, because it can be changed into a prime (40050509) 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, 364041 + ... + 364150.

It is an arithmetic number, because the mean of its divisors is an integer number (6553728).

Almost surely, 240050505 is an apocalyptic number.

It is an amenable number.

40050505 is a deficient number, since it is larger than the sum of its proper divisors (12379319).

40050505 is a wasteful number, since it uses less digits than its factorization.

40050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728207.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 40050505 is about 6328.5468316194. The cubic root of 40050505 is about 342.1390660235.

Adding to 40050505 its reverse (50505004), we get a palindrome (90555509).

It can be divided in two parts, 400 and 50505, that added together give a palindrome (50905).

The spelling of 40050505 in words is "forty million, fifty thousand, five hundred five".

Divisors: 1 5 11 55 728191 3640955 8010101 40050505