Search a number
-
+
40344461 = 236772591
BaseRepresentation
bin1001100111100…
…1101110001101
32210220201012022
42121321232031
540312010321
64000415525
7666631223
oct231715615
983821168
1040344461
1120856433
12116175a5
138487581
145502b13
15381ddab
hex2679b8d

40344461 has 8 divisors (see below), whose sum is σ = 42177024. Its totient is φ = 38518480.

The previous prime is 40344443. The next prime is 40344509. The reversal of 40344461 is 16444304.

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

It is a cyclic number.

It is not a de Polignac number, because 40344461 - 214 = 40328077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40344461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14276 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (5272128).

Almost surely, 240344461 is an apocalyptic number.

It is an amenable number.

40344461 is a deficient number, since it is larger than the sum of its proper divisors (1832563).

40344461 is a wasteful number, since it uses less digits than its factorization.

40344461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40344461 is about 6351.7289772156. The cubic root of 40344461 is about 342.9740848029.

Adding to 40344461 its reverse (16444304), we get a palindrome (56788765).

The spelling of 40344461 in words is "forty million, three hundred forty-four thousand, four hundred sixty-one".

Divisors: 1 23 677 2591 15571 59593 1754107 40344461