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40107733 = 73549421
BaseRepresentation
bin1001100011111…
…1111011010101
32210110200110121
42120333323111
540231421413
63551351541
7664624111
oct230777325
983420417
1040107733
1120704596
12115225b1
1384038b3
145480741
1537c3b8d
hex263fed5

40107733 has 4 divisors (see below), whose sum is σ = 40657228. Its totient is φ = 39558240.

The previous prime is 40107731. The next prime is 40107751. The reversal of 40107733 is 33770104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 28804689 = 3362^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 40107733 - 21 = 40107731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40107698 and 40107707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40107731) 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 3 ways as a sum of consecutive naturals, for example, 274638 + ... + 274783.

It is an arithmetic number, because the mean of its divisors is an integer number (10164307).

Almost surely, 240107733 is an apocalyptic number.

It is an amenable number.

40107733 is a deficient number, since it is larger than the sum of its proper divisors (549495).

40107733 is an equidigital number, since it uses as much as digits as its factorization.

40107733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549494.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 40107733 is about 6333.0666347355. The cubic root of 40107733 is about 342.3019488301.

Adding to 40107733 its reverse (33770104), we get a palindrome (73877837).

The spelling of 40107733 in words is "forty million, one hundred seven thousand, seven hundred thirty-three".

Divisors: 1 73 549421 40107733