Search a number
-
+
40024605 = 352668307
BaseRepresentation
bin1001100010101…
…1101000011101
32210022110102210
42120223220131
540221241410
63545511033
7664126545
oct230535035
983273383
1040024605
1120658095
12114a2479
1383a4aca
14545c325
1537a9220
hex262ba1d

40024605 has 8 divisors (see below), whose sum is σ = 64039392. Its totient is φ = 21346448.

The previous prime is 40024603. The next prime is 40024619. The reversal of 40024605 is 50642004.

It is a happy number.

40024605 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 cyclic number.

It is not a de Polignac number, because 40024605 - 21 = 40024603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024603) 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 7 ways as a sum of consecutive naturals, for example, 1334139 + ... + 1334168.

It is an arithmetic number, because the mean of its divisors is an integer number (8004924).

Almost surely, 240024605 is an apocalyptic number.

It is an amenable number.

40024605 is a deficient number, since it is larger than the sum of its proper divisors (24014787).

40024605 is a wasteful number, since it uses less digits than its factorization.

40024605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668315.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40024605 is about 6326.5002173398. The cubic root of 40024605 is about 342.0652982257.

Adding to 40024605 its reverse (50642004), we get a palindrome (90666609).

The spelling of 40024605 in words is "forty million, twenty-four thousand, six hundred five".

Divisors: 1 3 5 15 2668307 8004921 13341535 40024605