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40003030 = 254000303
BaseRepresentation
bin1001100010011…
…0010111010110
32210021100211201
42120212113112
540220044110
63545223114
7664006624
oct230462726
983240751
1040003030
1120642961
1211491a9a
138398042
145454514
1537a2b3a
hex26265d6

40003030 has 8 divisors (see below), whose sum is σ = 72005472. Its totient is φ = 16001208.

The previous prime is 40003027. The next prime is 40003039. The reversal of 40003030 is 3030004.

40003030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 4000303 = 40003030 / (4 + 0 + 0 + 0 + 3 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 40002998 and 40003016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003039) 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 3 ways as a sum of consecutive naturals, for example, 2000142 + ... + 2000161.

It is an arithmetic number, because the mean of its divisors is an integer number (9000684).

Almost surely, 240003030 is an apocalyptic number.

40003030 is a deficient number, since it is larger than the sum of its proper divisors (32002442).

40003030 is a wasteful number, since it uses less digits than its factorization.

40003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000310.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 40003030 is about 6324.7948583334. The cubic root of 40003030 is about 342.0038244958.

Adding to 40003030 its reverse (3030004), we get a palindrome (43033034).

The spelling of 40003030 in words is "forty million, three thousand, thirty".

Divisors: 1 2 5 10 4000303 8000606 20001515 40003030