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40395507 = 347928111
BaseRepresentation
bin1001101000011…
…0001011110011
32211000022012220
42122012023303
540320124012
64001452123
71000233105
oct232061363
984008186
1040395507
1120890819
1211641043
1384a4889
145517575
15382e08c
hex26862f3

40395507 has 8 divisors (see below), whose sum is σ = 53975040. Its totient is φ = 26873160.

The previous prime is 40395503. The next prime is 40395529. The reversal of 40395507 is 70559304.

40395507 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 40395507 - 22 = 40395503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40395503) 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, 12619 + ... + 15492.

It is an arithmetic number, because the mean of its divisors is an integer number (6746880).

Almost surely, 240395507 is an apocalyptic number.

40395507 is a deficient number, since it is larger than the sum of its proper divisors (13579533).

40395507 is a wasteful number, since it uses less digits than its factorization.

40395507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28593.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 40395507 is about 6355.7459829669. The cubic root of 40395507 is about 343.1186736436.

The spelling of 40395507 in words is "forty million, three hundred ninety-five thousand, five hundred seven".

Divisors: 1 3 479 1437 28111 84333 13465169 40395507