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40618227 = 3134432351
BaseRepresentation
bin1001101011110…
…0100011110011
32211102121201210
42122330203303
540344240402
64010331203
71002151326
oct232744363
984377653
1040618227
1120a23091
1211729b03
138552070
1455747bd
15387506c
hex26bc8f3

40618227 has 16 divisors (see below), whose sum is σ = 58480128. Its totient is φ = 24928800.

The previous prime is 40618223. The next prime is 40618229. The reversal of 40618227 is 72281604.

It is not a de Polignac number, because 40618227 - 22 = 40618223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40618194 and 40618203.

It is not an unprimeable number, because it can be changed into a prime (40618223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16102 + ... + 18452.

It is an arithmetic number, because the mean of its divisors is an integer number (3655008).

Almost surely, 240618227 is an apocalyptic number.

40618227 is a deficient number, since it is larger than the sum of its proper divisors (17861901).

40618227 is a wasteful number, since it uses less digits than its factorization.

40618227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40618227 is about 6373.2430520105. The cubic root of 40618227 is about 343.7481114166.

The spelling of 40618227 in words is "forty million, six hundred eighteen thousand, two hundred twenty-seven".

Divisors: 1 3 13 39 443 1329 2351 5759 7053 17277 30563 91689 1041493 3124479 13539409 40618227