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40300221 = 3131033339
BaseRepresentation
bin1001100110111…
…0111010111101
32210211110111210
42121232322331
540304101341
63555435033
7666355233
oct231567275
983743453
1040300221
1120826175
12115b5a79
1384703b0
1454d0953
153810c16
hex266eebd

40300221 has 8 divisors (see below), whose sum is σ = 57867040. Its totient is φ = 24800112.

The previous prime is 40300219. The next prime is 40300229. The reversal of 40300221 is 12200304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40300221 - 21 = 40300219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40300197 and 40300206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516631 + ... + 516708.

It is an arithmetic number, because the mean of its divisors is an integer number (7233380).

Almost surely, 240300221 is an apocalyptic number.

It is an amenable number.

40300221 is a deficient number, since it is larger than the sum of its proper divisors (17566819).

40300221 is a wasteful number, since it uses less digits than its factorization.

40300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033355.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40300221 is about 6348.2455056496. The cubic root of 40300221 is about 342.8486754109.

Adding to 40300221 its reverse (12200304), we get a palindrome (52500525).

The spelling of 40300221 in words is "forty million, three hundred thousand, two hundred twenty-one".

Divisors: 1 3 13 39 1033339 3100017 13433407 40300221