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40204427 = 312515167
BaseRepresentation
bin1001100101011…
…1100010001011
32210122121002212
42121113202023
540243020202
63553415335
7665506034
oct231274213
983577085
1040204427
11207701aa
121156a54b
138438903
1454a7a8b
1537e2652
hex265788b

40204427 has 8 divisors (see below), whose sum is σ = 41674752. Its totient is φ = 38745000.

The previous prime is 40204421. The next prime is 40204433. The reversal of 40204427 is 72440204.

40204427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40204421) and next prime (40204433).

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 40204427 - 210 = 40203403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40204421) 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, 5198 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (5209344).

Almost surely, 240204427 is an apocalyptic number.

40204427 is a deficient number, since it is larger than the sum of its proper divisors (1470325).

40204427 is a wasteful number, since it uses less digits than its factorization.

40204427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40204427 is about 6340.6960974328. The cubic root of 40204427 is about 342.5768083905.

The spelling of 40204427 in words is "forty million, two hundred four thousand, four hundred twenty-seven".

Divisors: 1 31 251 5167 7781 160177 1296917 40204427