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40214433 = 376131393
BaseRepresentation
bin1001100101100…
…1111110100001
32210200002211110
42121121332201
540243330213
63553533533
7665550150
oct231317641
983602743
1040214433
1120777776
12115742a9
13844032c
1454ab597
1537e55c3
hex2659fa1

40214433 has 16 divisors (see below), whose sum is σ = 62285696. Its totient is φ = 22602240.

The previous prime is 40214429. The next prime is 40214441. The reversal of 40214433 is 33441204.

It is not a de Polignac number, because 40214433 - 22 = 40214429 is a prime.

It is a super-2 number, since 2×402144332 = 3234401243022978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40214453) 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, 14416 + ... + 16977.

It is an arithmetic number, because the mean of its divisors is an integer number (3892856).

Almost surely, 240214433 is an apocalyptic number.

It is an amenable number.

40214433 is a deficient number, since it is larger than the sum of its proper divisors (22071263).

40214433 is a wasteful number, since it uses less digits than its factorization.

40214433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31464.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40214433 is about 6341.4850784339. The cubic root of 40214433 is about 342.6052259842.

Adding to 40214433 its reverse (33441204), we get a palindrome (73655637).

The spelling of 40214433 in words is "forty million, two hundred fourteen thousand, four hundred thirty-three".

Divisors: 1 3 7 21 61 183 427 1281 31393 94179 219751 659253 1914973 5744919 13404811 40214433