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40470245 = 510378583
BaseRepresentation
bin1001101001100…
…0011011100101
32211011002201222
42122120123211
540330021440
64003230125
71000664024
oct232303345
984132658
1040470245
1120931992
1211678345
1384cc8ba
1455368bb
1538462b5
hex26986e5

40470245 has 8 divisors (see below), whose sum is σ = 49036416. Its totient is φ = 32061456.

The previous prime is 40470233. The next prime is 40470253. The reversal of 40470245 is 54207404.

40470245 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 40470245 - 24 = 40470229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 38777 + ... + 39806.

It is an arithmetic number, because the mean of its divisors is an integer number (6129552).

Almost surely, 240470245 is an apocalyptic number.

It is an amenable number.

40470245 is a deficient number, since it is larger than the sum of its proper divisors (8566171).

40470245 is a wasteful number, since it uses less digits than its factorization.

40470245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78691.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40470245 is about 6361.6228275496. The cubic root of 40470245 is about 343.3301509953.

Adding to 40470245 its reverse (54207404), we get a palindrome (94677649).

The spelling of 40470245 in words is "forty million, four hundred seventy thousand, two hundred forty-five".

Divisors: 1 5 103 515 78583 392915 8094049 40470245