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40118230 = 255997701
BaseRepresentation
bin1001100100001…
…0011111010110
32210111012212101
42121002133112
540232240410
63551512314
7664666525
oct231023726
983435771
1040118230
1120711469
121152869a
1384085c9
1454844bc
1537c6d3a
hex26427d6

40118230 has 32 divisors (see below), whose sum is σ = 74299680. Its totient is φ = 15590400.

The previous prime is 40118227. The next prime is 40118251. The reversal of 40118230 is 3281104.

40118230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40118198 and 40118207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56880 + ... + 57580.

It is an arithmetic number, because the mean of its divisors is an integer number (2321865).

Almost surely, 240118230 is an apocalyptic number.

40118230 is a deficient number, since it is larger than the sum of its proper divisors (34181450).

40118230 is a wasteful number, since it uses less digits than its factorization.

40118230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 40118230 is about 6333.8953259428. The cubic root of 40118230 is about 342.3318086590.

Adding to 40118230 its reverse (3281104), we get a palindrome (43399334).

The spelling of 40118230 in words is "forty million, one hundred eighteen thousand, two hundred thirty".

Divisors: 1 2 5 10 59 97 118 194 295 485 590 701 970 1402 3505 5723 7010 11446 28615 41359 57230 67997 82718 135994 206795 339985 413590 679970 4011823 8023646 20059115 40118230