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40154413 = 133088801
BaseRepresentation
bin1001100100101…
…1010100101101
32210120001111111
42121023110231
540234420123
63552352021
7665210155
oct231132455
983501444
1040154413
1120736672
1211545611
13841bc10
145493765
1537d290d
hex264b52d

40154413 has 4 divisors (see below), whose sum is σ = 43243228. Its totient is φ = 37065600.

The previous prime is 40154407. The next prime is 40154417. The reversal of 40154413 is 31445104.

40154413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6953769 + 33200644 = 2637^2 + 5762^2 .

It is not a de Polignac number, because 40154413 - 25 = 40154381 is a prime.

It is a super-2 number, since 2×401544132 = 3224753766749138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154417) 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, 1544388 + ... + 1544413.

It is an arithmetic number, because the mean of its divisors is an integer number (10810807).

Almost surely, 240154413 is an apocalyptic number.

It is an amenable number.

40154413 is a deficient number, since it is larger than the sum of its proper divisors (3088815).

40154413 is a wasteful number, since it uses less digits than its factorization.

40154413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088814.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40154413 is about 6336.7509813784. The cubic root of 40154413 is about 342.4346951342.

Adding to 40154413 its reverse (31445104), we get a palindrome (71599517).

The spelling of 40154413 in words is "forty million, one hundred fifty-four thousand, four hundred thirteen".

Divisors: 1 13 3088801 40154413