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40430347 = 198872399
BaseRepresentation
bin1001101000111…
…0101100001011
32211002002000021
42122032230023
540322232342
64002321311
71000436506
oct232165413
984062007
1040430347
1120904a11
1211659237
1384b76a9
14552613d
153839567
hex268eb0b

40430347 has 8 divisors (see below), whose sum is σ = 42624000. Its totient is φ = 38243304.

The previous prime is 40430339. The next prime is 40430353. The reversal of 40430347 is 74303404.

40430347 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 40430347 - 23 = 40430339 is a prime.

It is a super-2 number, since 2×404303472 = 3269225917080818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40430447) 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, 15654 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (5328000).

Almost surely, 240430347 is an apocalyptic number.

40430347 is a deficient number, since it is larger than the sum of its proper divisors (2193653).

40430347 is a wasteful number, since it uses less digits than its factorization.

40430347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40430347 is about 6358.4862192192. The cubic root of 40430347 is about 343.2172887321.

The spelling of 40430347 in words is "forty million, four hundred thirty thousand, three hundred forty-seven".

Divisors: 1 19 887 2399 16853 45581 2127913 40430347